211244032112 has 30 divisors (see below), whose sum is σ = 434777140488. Its totient is φ = 99408954112.

The previous prime is 211244032081. The next prime is 211244032117. The reversal of 211244032112 is 211230442112.

It is a super-2 number, since 2×211244032112² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211244032117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22837508 + ... + 22846755.

Almost surely, 2^211244032112 is an apocalyptic number.

It is an amenable number.

211244032112 is an abundant number, since it is smaller than the sum of its proper divisors (223533108376).

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

211244032112 is a wasteful number, since it uses less digits than its factorization.

211244032112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45684305 (or 45684282 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 211244032112 its reverse (211230442112), we get a palindrome (422474474224).

The spelling of 211244032112 in words is "two hundred eleven billion, two hundred forty-four million, thirty-two thousand, one hundred twelve".