102302321312121 has 32 divisors (see below), whose sum is σ = 156519916213248. Its totient is φ = 58221998616000.

The previous prime is 102302321312083. The next prime is 102302321312137. The reversal of 102302321312121 is 121213123203201.

It is not a de Polignac number, because 102302321312121 - 2¹⁴ = 102302321295737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102302321312091 and 102302321312100.

It is not an unprimeable number, because it can be changed into a prime (102302321313121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86632771 + ... + 87805703.

It is an arithmetic number, because the mean of its divisors is an integer number (4891247381664).

Almost surely, 2^{102302321312121} is an apocalyptic number.

It is an amenable number.

102302321312121 is a deficient number, since it is larger than the sum of its proper divisors (54217594901127).

102302321312121 is a wasteful number, since it uses less digits than its factorization.

102302321312121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189741.

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

Adding to 102302321312121 its reverse (121213123203201), we get a palindrome (223515444515322).

The spelling of 102302321312121 in words is "one hundred two trillion, three hundred two billion, three hundred twenty-one million, three hundred twelve thousand, one hundred twenty-one".