102221371273811 has 2 divisors, whose sum is σ = 102221371273812. Its totient is φ = 102221371273810.

The previous prime is 102221371273711. The next prime is 102221371273817. The reversal of 102221371273811 is 118372173122201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102221371273811 - 2¹⁸ = 102221371011667 is a prime.

It is not a weakly prime, because it can be changed into another prime (102221371273817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110685636905 + 51110685636906.

It is an arithmetic number, because the mean of its divisors is an integer number (51110685636906).

Almost surely, 2^{102221371273811} is an apocalyptic number.

102221371273811 is a deficient number, since it is larger than the sum of its proper divisors (1).

102221371273811 is an equidigital number, since it uses as much as digits as its factorization.

102221371273811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 41.

The spelling of 102221371273811 in words is "one hundred two trillion, two hundred twenty-one billion, three hundred seventy-one million, two hundred seventy-three thousand, eight hundred eleven".