210000211122112 has 56 divisors (see below), whose sum is σ = 428424146645040. Its totient is φ = 102069310679040.

The previous prime is 210000211122109. The next prime is 210000211122133. The reversal of 210000211122112 is 211221112000012.

It is a super-2 number, since 2×210000211122112² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143732662 + ... + 145186357.

It is an arithmetic number, because the mean of its divisors is an integer number (7650431190090).

Almost surely, 2^{210000211122112} is an apocalyptic number.

It is an amenable number.

210000211122112 is an abundant number, since it is smaller than the sum of its proper divisors (218423935522928).

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

210000211122112 is a wasteful number, since it uses less digits than its factorization.

210000211122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288919349 (or 288919339 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210000211122112 its reverse (211221112000012), we get a palindrome (421221323122124).

The spelling of 210000211122112 in words is "two hundred ten trillion, two hundred eleven million, one hundred twenty-two thousand, one hundred twelve".