100102011219979 has 4 divisors (see below), whose sum is σ = 102231841245984. Its totient is φ = 97972181193976.

The previous prime is 100102011219949. The next prime is 100102011220151. The reversal of 100102011219979 is 979912110201001.

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 100102011219979 - 2¹⁹ = 100102010695691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100102011219919) 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, 1064915012932 + ... + 1064915013025.

It is an arithmetic number, because the mean of its divisors is an integer number (25557960311496).

Almost surely, 2^{100102011219979} is an apocalyptic number.

100102011219979 is a deficient number, since it is larger than the sum of its proper divisors (2129830026005).

100102011219979 is an equidigital number, since it uses as much as digits as its factorization.

100102011219979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129830026004.

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

The spelling of 100102011219979 in words is "one hundred trillion, one hundred two billion, eleven million, two hundred nineteen thousand, nine hundred seventy-nine".