102011111111999 has 2 divisors, whose sum is σ = 102011111112000. Its totient is φ = 102011111111998.

The previous prime is 102011111111993. The next prime is 102011111112013. The reversal of 102011111111999 is 999111111110201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102011111111999 - 2⁸ = 102011111111743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102011111111993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005555555999 + 51005555556000.

It is an arithmetic number, because the mean of its divisors is an integer number (51005555556000).

Almost surely, 2^{102011111111999} is an apocalyptic number.

102011111111999 is a deficient number, since it is larger than the sum of its proper divisors (1).

102011111111999 is an equidigital number, since it uses as much as digits as its factorization.

102011111111999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 38.

The spelling of 102011111111999 in words is "one hundred two trillion, eleven billion, one hundred eleven million, one hundred eleven thousand, nine hundred ninety-nine".