101100105979 has 4 divisors (see below), whose sum is σ = 104586316560. Its totient is φ = 97613895400.

The previous prime is 101100105961. The next prime is 101100106001. The reversal of 101100105979 is 979501001101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101100105979 - 2²⁷ = 100965888251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101100105959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1743105247 + ... + 1743105304.

It is an arithmetic number, because the mean of its divisors is an integer number (26146579140).

Almost surely, 2^101100105979 is an apocalyptic number.

101100105979 is a deficient number, since it is larger than the sum of its proper divisors (3486210581).

101100105979 is an equidigital number, since it uses as much as digits as its factorization.

101100105979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3486210580.

The product of its (nonzero) digits is 2835, while the sum is 34.

The spelling of 101100105979 in words is "one hundred one billion, one hundred million, one hundred five thousand, nine hundred seventy-nine".