11122199974 has 32 divisors (see below), whose sum is σ = 17649515520. Its totient is φ = 5242045248.

The previous prime is 11122199909. The next prime is 11122199981. The reversal of 11122199974 is 47999122111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10138194 + ... + 10139290.

It is an arithmetic number, because the mean of its divisors is an integer number (551547360).

Almost surely, 2^11122199974 is an apocalyptic number.

11122199974 is a deficient number, since it is larger than the sum of its proper divisors (6527315546).

11122199974 is a wasteful number, since it uses less digits than its factorization.

11122199974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212.

The product of its digits is 81648, while the sum is 46.

The spelling of 11122199974 in words is "eleven billion, one hundred twenty-two million, one hundred ninety-nine thousand, nine hundred seventy-four".