211102111992 has 32 divisors (see below), whose sum is σ = 527770512000. Its totient is φ = 70365339744.

The previous prime is 211102111933. The next prime is 211102112033. The reversal of 211102111992 is 299111201112.

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, 887343 + ... + 1099809.

It is an arithmetic number, because the mean of its divisors is an integer number (16492828500).

Almost surely, 2^211102111992 is an apocalyptic number.

It is an amenable number.

211102111992 is an abundant number, since it is smaller than the sum of its proper divisors (316668400008).

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

211102111992 is a wasteful number, since it uses less digits than its factorization.

211102111992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253875 (or 253871 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 30.

The spelling of 211102111992 in words is "two hundred eleven billion, one hundred two million, one hundred eleven thousand, nine hundred ninety-two".