102324556621 has 32 divisors (see below), whose sum is σ = 119750400000. Its totient is φ = 85623139392.

The previous prime is 102324556603. The next prime is 102324556657. The reversal of 102324556621 is 126655423201.

It is not a de Polignac number, because 102324556621 - 2¹⁷ = 102324425549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102324554621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68261130 + ... + 68262628.

It is an arithmetic number, because the mean of its divisors is an integer number (3742200000).

Almost surely, 2^102324556621 is an apocalyptic number.

It is an amenable number.

102324556621 is a deficient number, since it is larger than the sum of its proper divisors (17425843379).

102324556621 is a wasteful number, since it uses less digits than its factorization.

102324556621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 102324556621 its reverse (126655423201), we get a palindrome (228979979822).

The spelling of 102324556621 in words is "one hundred two billion, three hundred twenty-four million, five hundred fifty-six thousand, six hundred twenty-one".