121337116321 has 8 divisors (see below), whose sum is σ = 121575081600. Its totient is φ = 121099344720.

The previous prime is 121337116319. The next prime is 121337116333. The reversal of 121337116321 is 123611733121.

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 121337116321 - 2¹ = 121337116319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121337126321) 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, 1239126 + ... + 1333456.

It is an arithmetic number, because the mean of its divisors is an integer number (15196885200).

Almost surely, 2^121337116321 is an apocalyptic number.

It is an amenable number.

121337116321 is a deficient number, since it is larger than the sum of its proper divisors (237965279).

121337116321 is an equidigital number, since it uses as much as digits as its factorization.

121337116321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96839.

The product of its digits is 4536, while the sum is 31.

Adding to 121337116321 its reverse (123611733121), we get a palindrome (244948849442).

The spelling of 121337116321 in words is "one hundred twenty-one billion, three hundred thirty-seven million, one hundred sixteen thousand, three hundred twenty-one".