102131321313121 has 8 divisors (see below), whose sum is σ = 102736393781760. Its totient is φ = 101527730051328.

The previous prime is 102131321313113. The next prime is 102131321313157. The reversal of 102131321313121 is 121313123131201.

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 102131321313121 - 2³ = 102131321313113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102131391313121) 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, 370163401 + ... + 370439206.

It is an arithmetic number, because the mean of its divisors is an integer number (12842049222720).

Almost surely, 2^{102131321313121} is an apocalyptic number.

It is an amenable number.

102131321313121 is a deficient number, since it is larger than the sum of its proper divisors (605072468639).

102131321313121 is an equidigital number, since it uses as much as digits as its factorization.

102131321313121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740603423.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 102131321313121 its reverse (121313123131201), we get a palindrome (223444444444322).

The spelling of 102131321313121 in words is "one hundred two trillion, one hundred thirty-one billion, three hundred twenty-one million, three hundred thirteen thousand, one hundred twenty-one".