121320113331 has 8 divisors (see below), whose sum is σ = 161762873040. Its totient is φ = 80878714592.

The previous prime is 121320113303. The next prime is 121320113347. The reversal of 121320113331 is 133311023121.

It is a happy number.

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 121320113331 - 2⁷ = 121320113203 is a prime.

It is a super-3 number, since 3×121320113331³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 121320113298 and 121320113307.

It is not an unprimeable number, because it can be changed into a prime (121320193331) 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, 109980 + ... + 504713.

It is an arithmetic number, because the mean of its divisors is an integer number (20220359130).

Almost surely, 2^121320113331 is an apocalyptic number.

121320113331 is a deficient number, since it is larger than the sum of its proper divisors (40442759709).

121320113331 is an equidigital number, since it uses as much as digits as its factorization.

121320113331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680485.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 121320113331 its reverse (133311023121), we get a palindrome (254631136452).

The spelling of 121320113331 in words is "one hundred twenty-one billion, three hundred twenty million, one hundred thirteen thousand, three hundred thirty-one".