122111313 has 4 divisors (see below), whose sum is σ = 162815088. Its totient is φ = 81407540.

The previous prime is 122111299. The next prime is 122111321. The reversal of 122111313 is 313111221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122111313 - 2⁵ = 122111281 is a prime.

It is a super-2 number, since 2×122111313² = 29822345525167938, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122111292 and 122111301.

It is not an unprimeable number, because it can be changed into a prime (122111333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20351883 + ... + 20351888.

It is an arithmetic number, because the mean of its divisors is an integer number (40703772).

Almost surely, 2^122111313 is an apocalyptic number.

It is an amenable number.

122111313 is a deficient number, since it is larger than the sum of its proper divisors (40703775).

122111313 is an equidigital number, since it uses as much as digits as its factorization.

122111313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40703774.

The product of its digits is 36, while the sum is 15.

The square root of 122111313 is about 11050.3987710851. The cubic root of 122111313 is about 496.1183610720.

Adding to 122111313 its reverse (313111221), we get a palindrome (435222534).

The spelling of 122111313 in words is "one hundred twenty-two million, one hundred eleven thousand, three hundred thirteen".