102347715110621 has 2 divisors, whose sum is σ = 102347715110622. Its totient is φ = 102347715110620.

The previous prime is 102347715110581. The next prime is 102347715110657. The reversal of 102347715110621 is 126011517743201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64386405484996 + 37961309625625 = 8024114^2 + 6161275^2 .

It is a cyclic number.

It is not a de Polignac number, because 102347715110621 - 2¹⁴ = 102347715094237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102347715110681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51173857555310 + 51173857555311.

It is an arithmetic number, because the mean of its divisors is an integer number (51173857555311).

Almost surely, 2^{102347715110621} is an apocalyptic number.

It is an amenable number.

102347715110621 is a deficient number, since it is larger than the sum of its proper divisors (1).

102347715110621 is an equidigital number, since it uses as much as digits as its factorization.

102347715110621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 41.

The spelling of 102347715110621 in words is "one hundred two trillion, three hundred forty-seven billion, seven hundred fifteen million, one hundred ten thousand, six hundred twenty-one".