121112312302321 has 8 divisors (see below), whose sum is σ = 123099066457088. Its totient is φ = 119125600290000.

The previous prime is 121112312302313. The next prime is 121112312302327. The reversal of 121112312302321 is 123203213211121.

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 121112312302321 - 2³ = 121112312302313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121112312302327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4714545 + ... + 16261966.

It is an arithmetic number, because the mean of its divisors is an integer number (15387383307136).

Almost surely, 2^{121112312302321} is an apocalyptic number.

It is an amenable number.

121112312302321 is a deficient number, since it is larger than the sum of its proper divisors (1986754154767).

121112312302321 is an equidigital number, since it uses as much as digits as its factorization.

121112312302321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21071223.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 121112312302321 its reverse (123203213211121), we get a palindrome (244315525513442).

The spelling of 121112312302321 in words is "one hundred twenty-one trillion, one hundred twelve billion, three hundred twelve million, three hundred two thousand, three hundred twenty-one".