21134411024112 has 80 divisors (see below), whose sum is σ = 60716202322080. Its totient is φ = 7038693531648.

The previous prime is 21134411024081. The next prime is 21134411024123. The reversal of 21134411024112 is 21142011443112.

21134411024112 is a `hidden beast` number, since 2 + 1 + 1 + 3 + 4 + 411 + 0 + 241 + 1 + 2 = 666.

It is a super-2 number, since 2×21134411024112² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 20717103 + ... + 21713294.

It is an arithmetic number, because the mean of its divisors is an integer number (758952529026).

Almost surely, 2^{21134411024112} is an apocalyptic number.

It is an amenable number.

21134411024112 is an abundant number, since it is smaller than the sum of its proper divisors (39581791297968).

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

21134411024112 is a wasteful number, since it uses less digits than its factorization.

21134411024112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42431567 (or 42431555 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

Adding to 21134411024112 its reverse (21142011443112), we get a palindrome (42276422467224).

The spelling of 21134411024112 in words is "twenty-one trillion, one hundred thirty-four billion, four hundred eleven million, twenty-four thousand, one hundred twelve".