102221379936287 has 2 divisors, whose sum is σ = 102221379936288. Its totient is φ = 102221379936286.

The previous prime is 102221379936253. The next prime is 102221379936439. The reversal of 102221379936287 is 782639973122201.

It is a weak prime.

It is an emirp because it is prime and its reverse (782639973122201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102221379936287 - 2⁸ = 102221379936031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102221379936187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110689968143 + 51110689968144.

It is an arithmetic number, because the mean of its divisors is an integer number (51110689968144).

Almost surely, 2^{102221379936287} is an apocalyptic number.

102221379936287 is a deficient number, since it is larger than the sum of its proper divisors (1).

102221379936287 is an equidigital number, since it uses as much as digits as its factorization.

102221379936287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27433728, while the sum is 62.

The spelling of 102221379936287 in words is "one hundred two trillion, two hundred twenty-one billion, three hundred seventy-nine million, nine hundred thirty-six thousand, two hundred eighty-seven".