102121313323231 has 8 divisors (see below), whose sum is σ = 105410642542128. Its totient is φ = 98870011032000.

The previous prime is 102121313323199. The next prime is 102121313323321. The reversal of 102121313323231 is 132323313121201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102121313323231 - 2⁵ = 102121313323199 is a prime.

It is a super-2 number, since 2×102121313323231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102121313323231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121313320231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9506726460 + ... + 9506737201.

It is an arithmetic number, because the mean of its divisors is an integer number (13176330317766).

Almost surely, 2^{102121313323231} is an apocalyptic number.

102121313323231 is a deficient number, since it is larger than the sum of its proper divisors (3289329218897).

102121313323231 is a wasteful number, since it uses less digits than its factorization.

102121313323231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19013463833.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 102121313323231 its reverse (132323313121201), we get a palindrome (234444626444432).

The spelling of 102121313323231 in words is "one hundred two trillion, one hundred twenty-one billion, three hundred thirteen million, three hundred twenty-three thousand, two hundred thirty-one".