21112020000112 has 20 divisors (see below), whose sum is σ = 41774848086816. Its totient is φ = 10331414042240.

The previous prime is 21112020000047. The next prime is 21112020000179. The reversal of 21112020000112 is 21100002021112.

It is a junction number, because it is equal to n+sod(n) for n = 21112020000092 and 21112020000101.

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, 14037246589 + ... + 14037248092.

Almost surely, 2^{21112020000112} is an apocalyptic number.

It is an amenable number.

21112020000112 is a deficient number, since it is larger than the sum of its proper divisors (20662828086704).

21112020000112 is a wasteful number, since it uses less digits than its factorization.

21112020000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28074494736 (or 28074494730 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21112020000112 its reverse (21100002021112), we get a palindrome (42212022021224).

The spelling of 21112020000112 in words is "twenty-one trillion, one hundred twelve billion, twenty million, one hundred twelve", and thus it is an aban number.