191222937122 has 32 divisors (see below), whose sum is σ = 347153351040. Its totient is φ = 77118693120.

The previous prime is 191222937119. The next prime is 191222937137. The reversal of 191222937122 is 221739222191.

It is a self number, because there is not a number n which added to its sum of digits gives 191222937122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1383704 + ... + 1515612.

It is an arithmetic number, because the mean of its divisors is an integer number (10848542220).

Almost surely, 2^191222937122 is an apocalyptic number.

191222937122 is a deficient number, since it is larger than the sum of its proper divisors (155930413918).

191222937122 is a wasteful number, since it uses less digits than its factorization.

191222937122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138026.

The product of its digits is 54432, while the sum is 41.

The spelling of 191222937122 in words is "one hundred ninety-one billion, two hundred twenty-two million, nine hundred thirty-seven thousand, one hundred twenty-two".