21112010032112 has 20 divisors (see below), whose sum is σ = 40946819900976. Its totient is φ = 10545088767360.

The previous prime is 21112010032063. The next prime is 21112010032133. The reversal of 21112010032112 is 21123001021112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682249589 + ... + 682280532.

Almost surely, 2^{21112010032112} is an apocalyptic number.

It is an amenable number.

21112010032112 is a deficient number, since it is larger than the sum of its proper divisors (19834809868864).

21112010032112 is a wasteful number, since it uses less digits than its factorization.

21112010032112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364531096 (or 1364531090 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 21112010032112 its reverse (21123001021112), we get a palindrome (42235011053224).

The spelling of 21112010032112 in words is "twenty-one trillion, one hundred twelve billion, ten million, thirty-two thousand, one hundred twelve".