102220199999 has 2 divisors, whose sum is σ = 102220200000. Its totient is φ = 102220199998.

The previous prime is 102220199993. The next prime is 102220200011. The reversal of 102220199999 is 999991022201.

It is a weak prime.

It is an emirp because it is prime and its reverse (999991022201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102220199999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102220199999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102220199993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110099999 + 51110100000.

It is an arithmetic number, because the mean of its divisors is an integer number (51110100000).

Almost surely, 2^102220199999 is an apocalyptic number.

102220199999 is a deficient number, since it is larger than the sum of its proper divisors (1).

102220199999 is an equidigital number, since it uses as much as digits as its factorization.

102220199999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 472392, while the sum is 53.

The spelling of 102220199999 in words is "one hundred two billion, two hundred twenty million, one hundred ninety-nine thousand, nine hundred ninety-nine".