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10210221102220 = 225510511055111
BaseRepresentation
bin1001010010010100000010…
…0110100001010010001100
31100011002100212022201200021
42110211000212201102030
52314241013100232340
633414302200511524
72102443540260166
oct224450046412214
940132325281607
1010210221102220
1132871486a5637
12118a98647b5a4
13590a86bca179
1427426a889936
1512a8d089be4a
hex949409a148c

10210221102220 has 12 divisors (see below), whose sum is σ = 21441464314704. Its totient is φ = 4084088440880.

The previous prime is 10210221102217. The next prime is 10210221102241. The reversal of 10210221102220 is 2220112201201.

It is a happy number.

It is a super-2 number, since 2×102102211022202 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10210221102194 and 10210221102203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255255527536 + ... + 255255527575.

It is an arithmetic number, because the mean of its divisors is an integer number (1786788692892).

Almost surely, 210210221102220 is an apocalyptic number.

10210221102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210221102220 is an abundant number, since it is smaller than the sum of its proper divisors (11231243212484).

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

10210221102220 is a wasteful number, since it uses less digits than its factorization.

10210221102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510511055120 (or 510511055118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10210221102220 its reverse (2220112201201), we get a palindrome (12430333303421).

The spelling of 10210221102220 in words is "ten trillion, two hundred ten billion, two hundred twenty-one million, one hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 510511055111 1021022110222 2042044220444 2552555275555 5105110551110 10210221102220