21022000112 has 20 divisors (see below), whose sum is σ = 40793686656. Its totient is φ = 10494597120.

The previous prime is 21022000091. The next prime is 21022000123. The reversal of 21022000112 is 21100022012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21022000093 and 21022000102.

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, 1014608 + ... + 1035119.

Almost surely, 2^21022000112 is an apocalyptic number.

It is an amenable number.

21022000112 is a deficient number, since it is larger than the sum of its proper divisors (19771686544).

21022000112 is a wasteful number, since it uses less digits than its factorization.

21022000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050376 (or 2050370 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 21022000112 its reverse (21100022012), we get a palindrome (42122022124).

The spelling of 21022000112 in words is "twenty-one billion, twenty-two million, one hundred twelve", and thus it is an aban number.