121103330131 has 4 divisors (see below), whose sum is σ = 138403805872. Its totient is φ = 103802854392.

The previous prime is 121103330123. The next prime is 121103330171. The reversal of 121103330131 is 131033301121.

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 121103330131 - 2³ = 121103330123 is a prime.

It is a super-2 number, since 2×121103330131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121103330099 and 121103330108.

It is not an unprimeable number, because it can be changed into a prime (121103330171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8650237860 + ... + 8650237873.

It is an arithmetic number, because the mean of its divisors is an integer number (34600951468).

Almost surely, 2^121103330131 is an apocalyptic number.

121103330131 is a deficient number, since it is larger than the sum of its proper divisors (17300475741).

121103330131 is an equidigital number, since it uses as much as digits as its factorization.

121103330131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17300475740.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 121103330131 its reverse (131033301121), we get a palindrome (252136631252).

The spelling of 121103330131 in words is "one hundred twenty-one billion, one hundred three million, three hundred thirty thousand, one hundred thirty-one".