121320111331302 has 96 divisors (see below), whose sum is σ = 264631369494240. Its totient is φ = 36856408166400.

The previous prime is 121320111331273. The next prime is 121320111331313. The reversal of 121320111331302 is 203133111023121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1015264774 + ... + 1015384262.

It is an arithmetic number, because the mean of its divisors is an integer number (2756576765565).

Almost surely, 2^{121320111331302} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121320111331302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132315684747120).

121320111331302 is an abundant number, since it is smaller than the sum of its proper divisors (143311258162938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121320111331302 is a wasteful number, since it uses less digits than its factorization.

121320111331302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120326 (or 119967 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 121320111331302 its reverse (203133111023121), we get a palindrome (324453222354423).

The spelling of 121320111331302 in words is "one hundred twenty-one trillion, three hundred twenty billion, one hundred eleven million, three hundred thirty-one thousand, three hundred two".