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10102210111020 = 22354761233307821
BaseRepresentation
bin1001001100000001101010…
…1001010010011000101100
31022202202120101120212102210
42103000122221102120230
52311003311242023040
633252520302250420
72061601120063206
oct223003251223054
938682511525383
1010102210111020
113245361275255
121171a61886a10
135838327c9861
1426cd418dd776
15127bad1e5480
hex9301aa5262c

10102210111020 has 384 divisors, whose sum is σ = 29619696218112. Its totient is φ = 2570705510400.

The previous prime is 10102210110983. The next prime is 10102210111043. The reversal of 10102210111020 is 2011101220101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10102210110987 and 10102210111005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12304762210 + ... + 12304763030.

It is an arithmetic number, because the mean of its divisors is an integer number (77134625568).

Almost surely, 210102210111020 is an apocalyptic number.

10102210111020 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 10102210111020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14809848109056).

10102210111020 is an abundant number, since it is smaller than the sum of its proper divisors (19517486107092).

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

10102210111020 is a wasteful number, since it uses less digits than its factorization.

10102210111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481 (or 1479 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10102210111020 its reverse (2011101220101), we get a palindrome (12113311331121).

The spelling of 10102210111020 in words is "ten trillion, one hundred two billion, two hundred ten million, one hundred eleven thousand, twenty".