102111212021179 has 2 divisors, whose sum is σ = 102111212021180. Its totient is φ = 102111212021178.

The previous prime is 102111212021167. The next prime is 102111212021201. The reversal of 102111212021179 is 971120212111201.

It is a weak prime.

It is an emirp because it is prime and its reverse (971120212111201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102111212021179 - 2⁷ = 102111212021051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102111212021179.

It is not a weakly prime, because it can be changed into another prime (102111213021179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055606010589 + 51055606010590.

It is an arithmetic number, because the mean of its divisors is an integer number (51055606010590).

Almost surely, 2^{102111212021179} is an apocalyptic number.

102111212021179 is a deficient number, since it is larger than the sum of its proper divisors (1).

102111212021179 is an equidigital number, since it uses as much as digits as its factorization.

102111212021179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 31.

The spelling of 102111212021179 in words is "one hundred two trillion, one hundred eleven billion, two hundred twelve million, twenty-one thousand, one hundred seventy-nine".