21103311120132 has 48 divisors (see below), whose sum is σ = 49912731187200. Its totient is φ = 6938656651680.

The previous prime is 21103311120121. The next prime is 21103311120161. The reversal of 21103311120132 is 23102111330112.

It is a junction number, because it is equal to n+sod(n) for n = 21103311120099 and 21103311120108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9818382 + ... + 11773157.

It is an arithmetic number, because the mean of its divisors is an integer number (1039848566400).

Almost surely, 2^{21103311120132} is an apocalyptic number.

It is an amenable number.

21103311120132 is an abundant number, since it is smaller than the sum of its proper divisors (28809420067068).

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

21103311120132 is a wasteful number, since it uses less digits than its factorization.

21103311120132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21592656 (or 21592654 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 21103311120132 its reverse (23102111330112), we get a palindrome (44205422450244).

The spelling of 21103311120132 in words is "twenty-one trillion, one hundred three billion, three hundred eleven million, one hundred twenty thousand, one hundred thirty-two".