211323211222112 has 48 divisors (see below), whose sum is σ = 477752235912000. Its totient is φ = 91000425882240.

The previous prime is 211323211222103. The next prime is 211323211222139. The reversal of 211323211222112 is 211222112323112.

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, 15798678362 + ... + 15798691737.

It is an arithmetic number, because the mean of its divisors is an integer number (9953171581500).

Almost surely, 2^{211323211222112} is an apocalyptic number.

211323211222112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211323211222112 is an abundant number, since it is smaller than the sum of its proper divisors (266429024689888).

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

211323211222112 is a wasteful number, since it uses less digits than its factorization.

211323211222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31597370139 (or 31597370131 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

Adding to 211323211222112 its reverse (211222112323112), we get a palindrome (422545323545224).

The spelling of 211323211222112 in words is "two hundred eleven trillion, three hundred twenty-three billion, two hundred eleven million, two hundred twenty-two thousand, one hundred twelve".