121003312303331 has 4 divisors (see below), whose sum is σ = 121132451378232. Its totient is φ = 120874173228432.

The previous prime is 121003312303303. The next prime is 121003312303343. The reversal of 121003312303331 is 133303213300121.

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 121003312303331 - 2⁶ = 121003312303267 is a prime.

It is a super-2 number, since 2×121003312303331² (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 121003312303331.

It is not an unprimeable number, because it can be changed into a prime (121003312303351) 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, 64569536045 + ... + 64569537918.

It is an arithmetic number, because the mean of its divisors is an integer number (30283112844558).

Almost surely, 2^{121003312303331} is an apocalyptic number.

121003312303331 is a deficient number, since it is larger than the sum of its proper divisors (129139074901).

121003312303331 is an equidigital number, since it uses as much as digits as its factorization.

121003312303331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129139074900.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 121003312303331 its reverse (133303213300121), we get a palindrome (254306525603452).

The spelling of 121003312303331 in words is "one hundred twenty-one trillion, three billion, three hundred twelve million, three hundred three thousand, three hundred thirty-one".