102424360325621 has 2 divisors, whose sum is σ = 102424360325622. Its totient is φ = 102424360325620.

The previous prime is 102424360325587. The next prime is 102424360325629. The reversal of 102424360325621 is 126523063424201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93947464022500 + 8476896303121 = 9692650^2 + 2911511^2 .

It is a cyclic number.

It is not a de Polignac number, because 102424360325621 - 2¹⁰ = 102424360324597 is a prime.

It is a super-2 number, since 2×102424360325621² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102424360325629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51212180162810 + 51212180162811.

It is an arithmetic number, because the mean of its divisors is an integer number (51212180162811).

Almost surely, 2^{102424360325621} is an apocalyptic number.

It is an amenable number.

102424360325621 is a deficient number, since it is larger than the sum of its proper divisors (1).

102424360325621 is an equidigital number, since it uses as much as digits as its factorization.

102424360325621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 102424360325621 in words is "one hundred two trillion, four hundred twenty-four billion, three hundred sixty million, three hundred twenty-five thousand, six hundred twenty-one".