21113310011232 has 48 divisors (see below), whose sum is σ = 55450846467072. Its totient is φ = 7034162678400.

The previous prime is 21113310011177. The next prime is 21113310011291. The reversal of 21113310011232 is 23211001331112.

21113310011232 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 21113310011199 and 21113310011208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56176188 + ... + 56550779.

It is an arithmetic number, because the mean of its divisors is an integer number (1155225968064).

Almost surely, 2^{21113310011232} is an apocalyptic number.

It is an amenable number.

21113310011232 is an abundant number, since it is smaller than the sum of its proper divisors (34337536455840).

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

21113310011232 is a wasteful number, since it uses less digits than its factorization.

21113310011232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112728931 (or 112728923 counting only the distinct ones).

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

Adding to 21113310011232 its reverse (23211001331112), we get a palindrome (44324311342344).

The spelling of 21113310011232 in words is "twenty-one trillion, one hundred thirteen billion, three hundred ten million, eleven thousand, two hundred thirty-two".