1102111209979 has 16 divisors (see below), whose sum is σ = 1230486201504. Its totient is φ = 980562297600.

The previous prime is 1102111209967. The next prime is 1102111210033. The reversal of 1102111209979 is 9799021112011.

It is not a de Polignac number, because 1102111209979 - 2⁷ = 1102111209851 is a prime.

It is a super-2 number, since 2×1102111209979² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102111209929) 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, 12412092 + ... + 12500569.

It is an arithmetic number, because the mean of its divisors is an integer number (76905387594).

Almost surely, 2^{1102111209979} is an apocalyptic number.

1102111209979 is a deficient number, since it is larger than the sum of its proper divisors (128374991525).

1102111209979 is a wasteful number, since it uses less digits than its factorization.

1102111209979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24912798.

The product of its (nonzero) digits is 20412, while the sum is 43.

The spelling of 1102111209979 in words is "one trillion, one hundred two billion, one hundred eleven million, two hundred nine thousand, nine hundred seventy-nine".