102321231023121 has 16 divisors (see below), whose sum is σ = 148831064929728. Its totient is φ = 62012790852800.

The previous prime is 102321231023113. The next prime is 102321231023149. The reversal of 102321231023121 is 121320132123201.

It is a cyclic number.

It is not a de Polignac number, because 102321231023121 - 2³ = 102321231023113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102321231023091 and 102321231023100.

It is not an unprimeable number, because it can be changed into a prime (102321231023171) 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 15 ways as a sum of consecutive naturals, for example, 37242511 + ... + 39895451.

It is an arithmetic number, because the mean of its divisors is an integer number (9301941558108).

Almost surely, 2^{102321231023121} is an apocalyptic number.

102321231023121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102321231023121 is a deficient number, since it is larger than the sum of its proper divisors (46509833906607).

102321231023121 is a wasteful number, since it uses less digits than its factorization.

102321231023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3821712.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 102321231023121 its reverse (121320132123201), we get a palindrome (223641363146322).

The spelling of 102321231023121 in words is "one hundred two trillion, three hundred twenty-one billion, two hundred thirty-one million, twenty-three thousand, one hundred twenty-one".