102112111202019 has 32 divisors (see below), whose sum is σ = 137631514051584. Its totient is φ = 67337330338560.

The previous prime is 102112111202011. The next prime is 102112111202027. The reversal of 102112111202019 is 910202111211201.

It is an interprime number because it is at equal distance from previous prime (102112111202011) and next prime (102112111202027).

It is not a de Polignac number, because 102112111202019 - 2³ = 102112111202011 is a prime.

It is a super-2 number, since 2×102112111202019² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102112111202019.

It is not an unprimeable number, because it can be changed into a prime (102112111202011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 872165254 + ... + 872282324.

It is an arithmetic number, because the mean of its divisors is an integer number (4300984814112).

Almost surely, 2^{102112111202019} is an apocalyptic number.

102112111202019 is a deficient number, since it is larger than the sum of its proper divisors (35519402849565).

102112111202019 is a wasteful number, since it uses less digits than its factorization.

102112111202019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124747.

The product of its (nonzero) digits is 144, while the sum is 24.

The spelling of 102112111202019 in words is "one hundred two trillion, one hundred twelve billion, one hundred eleven million, two hundred two thousand, nineteen".