100102120999 has 2 divisors, whose sum is σ = 100102121000. Its totient is φ = 100102120998.

The previous prime is 100102120991. The next prime is 100102121011. The reversal of 100102120999 is 999021201001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100102120999 - 2³ = 100102120991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100102120991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50051060499 + 50051060500.

It is an arithmetic number, because the mean of its divisors is an integer number (50051060500).

Almost surely, 2^100102120999 is an apocalyptic number.

100102120999 is a deficient number, since it is larger than the sum of its proper divisors (1).

100102120999 is an equidigital number, since it uses as much as digits as its factorization.

100102120999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 34.

The spelling of 100102120999 in words is "one hundred billion, one hundred two million, one hundred twenty thousand, nine hundred ninety-nine".