101101020019979 has 16 divisors (see below), whose sum is σ = 122879156198400. Its totient is φ = 81250707343104.

The previous prime is 101101020019927. The next prime is 101101020020023. The reversal of 101101020019979 is 979910020101101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 101101020019979 - 2¹⁶ = 101101019954443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101101020049979) 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, 3918327539 + ... + 3918353340.

It is an arithmetic number, because the mean of its divisors is an integer number (7679947262400).

Almost surely, 2^{101101020019979} is an apocalyptic number.

101101020019979 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

101101020019979 is a deficient number, since it is larger than the sum of its proper divisors (21778136178421).

101101020019979 is an equidigital number, since it uses as much as digits as its factorization.

101101020019979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7836681002.

The product of its (nonzero) digits is 10206, while the sum is 41.

The spelling of 101101020019979 in words is "one hundred one trillion, one hundred one billion, twenty million, nineteen thousand, nine hundred seventy-nine".