21120000000032 has 48 divisors (see below), whose sum is σ = 41594870655072. Its totient is φ = 10556224197120.

The previous prime is 21120000000023. The next prime is 21120000000083. The reversal of 21120000000032 is 23000000002112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21119999999950 and 21120000000022.

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, 1636314923 + ... + 1636327829.

It is an arithmetic number, because the mean of its divisors is an integer number (866559805314).

Almost surely, 2^{21120000000032} is an apocalyptic number.

It is an amenable number.

21120000000032 is a deficient number, since it is larger than the sum of its proper divisors (20474870655040).

21120000000032 is a wasteful number, since it uses less digits than its factorization.

21120000000032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27241 (or 27233 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 21120000000032 its reverse (23000000002112), we get a palindrome (44120000002144).

The spelling of 21120000000032 in words is "twenty-one trillion, one hundred twenty billion, thirty-two", and thus it is an aban number.