21112331023012 has 24 divisors (see below), whose sum is σ = 37470541187520. Its totient is φ = 10406490585120.

The previous prime is 21112331022971. The next prime is 21112331023061. The reversal of 21112331023012 is 21032013321112.

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, 583483 + ... + 6524194.

It is an arithmetic number, because the mean of its divisors is an integer number (1561272549480).

Almost surely, 2^{21112331023012} is an apocalyptic number.

It is an amenable number.

21112331023012 is a deficient number, since it is larger than the sum of its proper divisors (16358210164508).

21112331023012 is a wasteful number, since it uses less digits than its factorization.

21112331023012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7118211 (or 7118209 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 21112331023012 its reverse (21032013321112), we get a palindrome (42144344344124).

The spelling of 21112331023012 in words is "twenty-one trillion, one hundred twelve billion, three hundred thirty-one million, twenty-three thousand, twelve".