210000021112 has 64 divisors (see below), whose sum is σ = 452612160000. Its totient is φ = 89478297216.

The previous prime is 210000021107. The next prime is 210000021149. The reversal of 210000021112 is 211120000012.

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, 15918183 + ... + 15931369.

It is an arithmetic number, because the mean of its divisors is an integer number (7072065000).

Almost surely, 2^210000021112 is an apocalyptic number.

It is an amenable number.

210000021112 is an abundant number, since it is smaller than the sum of its proper divisors (242612138888).

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

210000021112 is a wasteful number, since it uses less digits than its factorization.

210000021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14828 (or 14824 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 210000021112 its reverse (211120000012), we get a palindrome (421120021124).

The spelling of 210000021112 in words is "two hundred ten billion, twenty-one thousand, one hundred twelve".