122313111 has 4 divisors (see below), whose sum is σ = 163084152. Its totient is φ = 81542072.

The previous prime is 122313071. The next prime is 122313131. The reversal of 122313111 is 111313221.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122313111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122313131) 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, 20385516 + ... + 20385521.

It is an arithmetic number, because the mean of its divisors is an integer number (40771038).

Almost surely, 2^122313111 is an apocalyptic number.

122313111 is a deficient number, since it is larger than the sum of its proper divisors (40771041).

122313111 is an equidigital number, since it uses as much as digits as its factorization.

122313111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40771040.

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

The square root of 122313111 is about 11059.5258035777. The cubic root of 122313111 is about 496.3915014595.

Adding to 122313111 its reverse (111313221), we get a palindrome (233626332).

The spelling of 122313111 in words is "one hundred twenty-two million, three hundred thirteen thousand, one hundred eleven".