102111010999 has 2 divisors, whose sum is σ = 102111011000. Its totient is φ = 102111010998.

The previous prime is 102111010987. The next prime is 102111011033. The reversal of 102111010999 is 999010111201.

It is an a-pointer prime, because the next prime (102111011033) can be obtained adding 102111010999 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102111010999 - 2¹⁹ = 102110486711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102112010999) 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, 51055505499 + 51055505500.

It is an arithmetic number, because the mean of its divisors is an integer number (51055505500).

Almost surely, 2^102111010999 is an apocalyptic number.

102111010999 is a deficient number, since it is larger than the sum of its proper divisors (1).

102111010999 is an equidigital number, since it uses as much as digits as its factorization.

102111010999 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 34.

The spelling of 102111010999 in words is "one hundred two billion, one hundred eleven million, ten thousand, nine hundred ninety-nine".