21000222100112 has 80 divisors (see below), whose sum is σ = 41384046584832. Its totient is φ = 10321494543360.

The previous prime is 21000222100061. The next prime is 21000222100153. The reversal of 21000222100112 is 21100122200012.

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, 422285393 + ... + 422335119.

Almost surely, 2^{21000222100112} is an apocalyptic number.

It is an amenable number.

21000222100112 is a deficient number, since it is larger than the sum of its proper divisors (20383824484720).

21000222100112 is a wasteful number, since it uses less digits than its factorization.

21000222100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51016 (or 51010 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21000222100112 its reverse (21100122200012), we get a palindrome (42100344300124).

The spelling of 21000222100112 in words is "twenty-one trillion, two hundred twenty-two million, one hundred thousand, one hundred twelve".