211020310992 has 80 divisors (see below), whose sum is σ = 564035149440. Its totient is φ = 67902352896.

The previous prime is 211020310933. The next prime is 211020310993. The reversal of 211020310992 is 299013020112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211020310993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10787973 + ... + 10807515.

It is an arithmetic number, because the mean of its divisors is an integer number (7050439368).

Almost surely, 2^211020310992 is an apocalyptic number.

It is an amenable number.

211020310992 is an abundant number, since it is smaller than the sum of its proper divisors (353014838448).

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

211020310992 is a wasteful number, since it uses less digits than its factorization.

211020310992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27340 (or 27334 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The spelling of 211020310992 in words is "two hundred eleven billion, twenty million, three hundred ten thousand, nine hundred ninety-two".