211122202112 has 40 divisors (see below), whose sum is σ = 444033763800. Its totient is φ = 100005249024.

The previous prime is 211122202099. The next prime is 211122202141. The reversal of 211122202112 is 211202221112.

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, 10841537 + ... + 10860992.

It is an arithmetic number, because the mean of its divisors is an integer number (11100844095).

Almost surely, 2^211122202112 is an apocalyptic number.

It is an amenable number.

211122202112 is an abundant number, since it is smaller than the sum of its proper divisors (232911561688).

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

211122202112 is an equidigital number, since it uses as much as digits as its factorization.

211122202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21702566 (or 21702550 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211122202112 its reverse (211202221112), we get a palindrome (422324423224).

The spelling of 211122202112 in words is "two hundred eleven billion, one hundred twenty-two million, two hundred two thousand, one hundred twelve".