102111314819 has 2 divisors, whose sum is σ = 102111314820. Its totient is φ = 102111314818.

The previous prime is 102111314801. The next prime is 102111314839. The reversal of 102111314819 is 918413111201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102111314819 - 2³⁶ = 33391838083 is a prime.

It is a super-2 number, since 2×102111314819² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102111314839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055657409 + 51055657410.

It is an arithmetic number, because the mean of its divisors is an integer number (51055657410).

Almost surely, 2^102111314819 is an apocalyptic number.

102111314819 is a deficient number, since it is larger than the sum of its proper divisors (1).

102111314819 is an equidigital number, since it uses as much as digits as its factorization.

102111314819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 32.

The spelling of 102111314819 in words is "one hundred two billion, one hundred eleven million, three hundred fourteen thousand, eight hundred nineteen".