102212301999979 has 2 divisors, whose sum is σ = 102212301999980. Its totient is φ = 102212301999978.

The previous prime is 102212301999923. The next prime is 102212302000009. The reversal of 102212301999979 is 979999103212201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102212301999979 - 2¹⁷ = 102212301868907 is a prime.

It is a super-2 number, since 2×102212301999979² (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 102212301999979.

It is not a weakly prime, because it can be changed into another prime (102212301999179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51106150999989 + 51106150999990.

It is an arithmetic number, because the mean of its divisors is an integer number (51106150999990).

Almost surely, 2^{102212301999979} is an apocalyptic number.

102212301999979 is a deficient number, since it is larger than the sum of its proper divisors (1).

102212301999979 is an equidigital number, since it uses as much as digits as its factorization.

102212301999979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9920232, while the sum is 64.

The spelling of 102212301999979 in words is "one hundred two trillion, two hundred twelve billion, three hundred one million, nine hundred ninety-nine thousand, nine hundred seventy-nine".