121100320234331 has 4 divisors (see below), whose sum is σ = 121108219298664. Its totient is φ = 121092421170000.

The previous prime is 121100320234307. The next prime is 121100320234337. The reversal of 121100320234331 is 133432023001121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121100320234331 - 2³⁴ = 121083140365147 is a prime.

It is a super-2 number, since 2×121100320234331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121100320234331.

It is not an unprimeable number, because it can be changed into a prime (121100320234337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3949509170 + ... + 3949539831.

It is an arithmetic number, because the mean of its divisors is an integer number (30277054824666).

Almost surely, 2^{121100320234331} is an apocalyptic number.

121100320234331 is a deficient number, since it is larger than the sum of its proper divisors (7899064333).

121100320234331 is an equidigital number, since it uses as much as digits as its factorization.

121100320234331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7899064332.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 121100320234331 its reverse (133432023001121), we get a palindrome (254532343235452).

The spelling of 121100320234331 in words is "one hundred twenty-one trillion, one hundred billion, three hundred twenty million, two hundred thirty-four thousand, three hundred thirty-one".