211210210992 has 80 divisors (see below), whose sum is σ = 595288506240. Its totient is φ = 63996672000.

The previous prime is 211210210961. The next prime is 211210211011. The reversal of 211210210992 is 299012012112.

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, 9704859 + ... + 9726597.

It is an arithmetic number, because the mean of its divisors is an integer number (7441106328).

Almost surely, 2^211210210992 is an apocalyptic number.

211210210992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211210210992 is an abundant number, since it is smaller than the sum of its proper divisors (384078295248).

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

211210210992 is a wasteful number, since it uses less digits than its factorization.

211210210992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40162 (or 40156 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 211210210992 in words is "two hundred eleven billion, two hundred ten million, two hundred ten thousand, nine hundred ninety-two".