211244202112 has 32 divisors (see below), whose sum is σ = 445593243420. Its totient is φ = 99409035264.

The previous prime is 211244202031. The next prime is 211244202151. The reversal of 211244202112 is 211202442112.

It can be written as a sum of positive squares in 2 ways, for example, as 199723185216 + 11521016896 = 446904^2 + 107336^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×211244202112² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48537393 + ... + 48541744.

Almost surely, 2^211244202112 is an apocalyptic number.

It is an amenable number.

211244202112 is an abundant number, since it is smaller than the sum of its proper divisors (234349041308).

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

211244202112 is an equidigital number, since it uses as much as digits as its factorization.

211244202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97079168 (or 97079156 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 211244202112 its reverse (211202442112), we get a palindrome (422446644224).

The spelling of 211244202112 in words is "two hundred eleven billion, two hundred forty-four million, two hundred two thousand, one hundred twelve".