121313113 has 8 divisors (see below), whose sum is σ = 122195232. Its totient is φ = 120434496.

The previous prime is 121313107. The next prime is 121313117. The reversal of 121313113 is 311313121.

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 121313113 - 2²⁵ = 87758681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121313117) 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, 123681 + ... + 124657.

It is an arithmetic number, because the mean of its divisors is an integer number (15274404).

Almost surely, 2^121313113 is an apocalyptic number.

It is an amenable number.

121313113 is a deficient number, since it is larger than the sum of its proper divisors (882119).

121313113 is an equidigital number, since it uses as much as digits as its factorization.

121313113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751.

The product of its digits is 54, while the sum is 16.

The square root of 121313113 is about 11014.2232136452. The cubic root of 121313113 is about 495.0350116378.

Adding to 121313113 its reverse (311313121), we get a palindrome (432626234).

The spelling of 121313113 in words is "one hundred twenty-one million, three hundred thirteen thousand, one hundred thirteen".