102202021111951 has 2 divisors, whose sum is σ = 102202021111952. Its totient is φ = 102202021111950.

The previous prime is 102202021111901. The next prime is 102202021111997. The reversal of 102202021111951 is 159111120202201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102202021111951 - 2²⁷ = 102201886894223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102202021111901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51101010555975 + 51101010555976.

It is an arithmetic number, because the mean of its divisors is an integer number (51101010555976).

Almost surely, 2^{102202021111951} is an apocalyptic number.

102202021111951 is a deficient number, since it is larger than the sum of its proper divisors (1).

102202021111951 is an equidigital number, since it uses as much as digits as its factorization.

102202021111951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 28.

The spelling of 102202021111951 in words is "one hundred two trillion, two hundred two billion, twenty-one million, one hundred eleven thousand, nine hundred fifty-one".