11122019979 has 16 divisors (see below), whose sum is σ = 16991420160. Its totient is φ = 6339097440.

The previous prime is 11122019971. The next prime is 11122019983. The reversal of 11122019979 is 97991022111.

It is not a de Polignac number, because 11122019979 - 2³ = 11122019971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11122019979.

It is not an unprimeable number, because it can be changed into a prime (11122019971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672577 + ... + 688914.

It is an arithmetic number, because the mean of its divisors is an integer number (1061963760).

Almost surely, 2^11122019979 is an apocalyptic number.

11122019979 is a deficient number, since it is larger than the sum of its proper divisors (5869400181).

11122019979 is a wasteful number, since it uses less digits than its factorization.

11122019979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361890.

The product of its (nonzero) digits is 20412, while the sum is 42.

The spelling of 11122019979 in words is "eleven billion, one hundred twenty-two million, nineteen thousand, nine hundred seventy-nine".