102001001911 has 2 divisors, whose sum is σ = 102001001912. Its totient is φ = 102001001910.

The previous prime is 102001001903. The next prime is 102001002023. The reversal of 102001001911 is 119100100201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102001001911 - 2³ = 102001001903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102001001111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000500955 + 51000500956.

It is an arithmetic number, because the mean of its divisors is an integer number (51000500956).

Almost surely, 2^102001001911 is an apocalyptic number.

102001001911 is a deficient number, since it is larger than the sum of its proper divisors (1).

102001001911 is an equidigital number, since it uses as much as digits as its factorization.

102001001911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 16.

The spelling of 102001001911 in words is "one hundred two billion, one million, one thousand, nine hundred eleven".