21160500121032 has 16 divisors (see below), whose sum is σ = 52901250302640. Its totient is φ = 7053500040336.

The previous prime is 21160500121001. The next prime is 21160500121073. The reversal of 21160500121032 is 23012100506112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 881687505043 = 21160500121032 / (2 + 1 + 1 + 6 + 0 + 5 + 0 + 0 + 1 + 2 + 1 + 0 + 3 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 21160500120993 and 21160500121011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440843752498 + ... + 440843752545.

It is an arithmetic number, because the mean of its divisors is an integer number (3306328143915).

Almost surely, 2^{21160500121032} is an apocalyptic number.

It is an amenable number.

21160500121032 is an abundant number, since it is smaller than the sum of its proper divisors (31740750181608).

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

21160500121032 is a wasteful number, since it uses less digits than its factorization.

21160500121032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881687505052 (or 881687505048 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 21160500121032 its reverse (23012100506112), we get a palindrome (44172600627144).

The spelling of 21160500121032 in words is "twenty-one trillion, one hundred sixty billion, five hundred million, one hundred twenty-one thousand, thirty-two".