191122210112 has 14 divisors (see below), whose sum is σ = 379258135818. Its totient is φ = 95561105024.

The previous prime is 191122210093. The next prime is 191122210127. The reversal of 191122210112 is 211012221191.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 190109952256 + 1012257856 = 436016^2 + 31816^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1493142203 + ... + 1493142330.

Almost surely, 2^191122210112 is an apocalyptic number.

It is an amenable number.

191122210112 is a deficient number, since it is larger than the sum of its proper divisors (188135925706).

191122210112 is an equidigital number, since it uses as much as digits as its factorization.

191122210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986284545 (or 2986284535 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 191122210112 in words is "one hundred ninety-one billion, one hundred twenty-two million, two hundred ten thousand, one hundred twelve".