2101102200979 has 2 divisors, whose sum is σ = 2101102200980. Its totient is φ = 2101102200978.

The previous prime is 2101102200809. The next prime is 2101102201031. The reversal of 2101102200979 is 9790022011012.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2101102200979 - 2¹⁵ = 2101102168211 is a prime.

It is not a weakly prime, because it can be changed into another prime (2101102204979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050551100489 + 1050551100490.

It is an arithmetic number, because the mean of its divisors is an integer number (1050551100490).

Almost surely, 2^{2101102200979} is an apocalyptic number.

2101102200979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101102200979 is an equidigital number, since it uses as much as digits as its factorization.

2101102200979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 34.

The spelling of 2101102200979 in words is "two trillion, one hundred one billion, one hundred two million, two hundred thousand, nine hundred seventy-nine".