211022111982 has 64 divisors (see below), whose sum is σ = 483084725760. Its totient is φ = 60827817600.

The previous prime is 211022111947. The next prime is 211022112013. The reversal of 211022111982 is 289111220112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109257 + ... + 658772.

It is an arithmetic number, because the mean of its divisors is an integer number (7548198840).

Almost surely, 2^211022111982 is an apocalyptic number.

211022111982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211022111982 is an abundant number, since it is smaller than the sum of its proper divisors (272062613778).

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

211022111982 is a wasteful number, since it uses less digits than its factorization.

211022111982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768249.

The product of its (nonzero) digits is 1152, while the sum is 30.

The spelling of 211022111982 in words is "two hundred eleven billion, twenty-two million, one hundred eleven thousand, nine hundred eighty-two".