211100210992 has 20 divisors (see below), whose sum is σ = 446189082696. Its totient is φ = 95954641280.

The previous prime is 211100210917. The next prime is 211100211011. The reversal of 211100210992 is 299012001112.

It is a self number, because there is not a number n which added to its sum of digits gives 211100210992.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599716333 + ... + 599716684.

Almost surely, 2^211100210992 is an apocalyptic number.

211100210992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211100210992 is an abundant number, since it is smaller than the sum of its proper divisors (235088871704).

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

211100210992 is a wasteful number, since it uses less digits than its factorization.

211100210992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199433036 (or 1199433030 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 211100210992 in words is "two hundred eleven billion, one hundred million, two hundred ten thousand, nine hundred ninety-two".