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10210221222120 = 2333517829670823
BaseRepresentation
bin1001010010010100000010…
…0110111110100011101000
31100011002100212112211011000
42110211000212332203220
52314241013113101440
633414302203235000
72102443541266563
oct224450046764350
940132325484130
1010210221222120
113287148777727
12118a986518a60
13590a86c3c90a
1427426a8bb4da
1512a8d08c2730
hex949409be8e8

10210221222120 has 256 divisors, whose sum is σ = 36079598016000. Its totient is φ = 2559470358528.

The previous prime is 10210221222119. The next prime is 10210221222121. The reversal of 10210221222120 is 2122212201201.

It is a happy number.

10210221222120 is a `hidden beast` number, since 1 + 0 + 210 + 2 + 212 + 221 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (10210221222119) and next prime (10210221222121).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10210221222093 and 10210221222102.

It is not an unprimeable number, because it can be changed into a prime (10210221222121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14885029 + ... + 15555851.

It is an arithmetic number, because the mean of its divisors is an integer number (140935929750).

Almost surely, 210210221222120 is an apocalyptic number.

10210221222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10210221222120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18039799008000).

10210221222120 is an abundant number, since it is smaller than the sum of its proper divisors (25869376793880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10210221222120 is a wasteful number, since it uses less digits than its factorization.

10210221222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671689 (or 671679 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10210221222120 its reverse (2122212201201), we get a palindrome (12332433423321).

The spelling of 10210221222120 in words is "ten trillion, two hundred ten billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred twenty".