21113110032 has 40 divisors (see below), whose sum is σ = 62333944896. Its totient is φ = 6032317056.

The previous prime is 21113110019. The next prime is 21113110171. The reversal of 21113110032 is 23001131112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21113109993 and 21113110020.

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, 31417983 + ... + 31418654.

Almost surely, 2^21113110032 is an apocalyptic number.

It is an amenable number.

21113110032 is an abundant number, since it is smaller than the sum of its proper divisors (41220834864).

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

21113110032 is a wasteful number, since it uses less digits than its factorization.

21113110032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62836655 (or 62836649 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 21113110032 its reverse (23001131112), we get a palindrome (44114241144).

The spelling of 21113110032 in words is "twenty-one billion, one hundred thirteen million, one hundred ten thousand, thirty-two".