21000210000112 has 60 divisors (see below), whose sum is σ = 47331419467296. Its totient is φ = 8999977996800.

The previous prime is 21000210000101. The next prime is 21000210000113. The reversal of 21000210000112 is 21100001200012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21000210000113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105859288 + ... + 106057480.

Almost surely, 2^{21000210000112} is an apocalyptic number.

It is an amenable number.

21000210000112 is an abundant number, since it is smaller than the sum of its proper divisors (26331209467184).

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

21000210000112 is a wasteful number, since it uses less digits than its factorization.

21000210000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333366 (or 333353 counting only the distinct ones).

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

Adding to 21000210000112 its reverse (21100001200012), we get a palindrome (42100211200124).

The spelling of 21000210000112 in words is "twenty-one trillion, two hundred ten million, one hundred twelve", and thus it is an aban number.