211202431112 has 8 divisors (see below), whose sum is σ = 396004558350. Its totient is φ = 105601215552.

The previous prime is 211202431093. The next prime is 211202431127. The reversal of 211202431112 is 211134202112.

It can be written as a sum of positive squares in only one way, i.e., 211200908356 + 1522756 = 459566^2 + 1234^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13200151937 + ... + 13200151952.

Almost surely, 2^211202431112 is an apocalyptic number.

It is an amenable number.

211202431112 is a deficient number, since it is larger than the sum of its proper divisors (184802127238).

211202431112 is a wasteful number, since it uses less digits than its factorization.

211202431112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26400303895 (or 26400303891 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 211202431112 its reverse (211134202112), we get a palindrome (422336633224).

The spelling of 211202431112 in words is "two hundred eleven billion, two hundred two million, four hundred thirty-one thousand, one hundred twelve".