122130023111 has 4 divisors (see below), whose sum is σ = 122132026800. Its totient is φ = 122128019424.

The previous prime is 122130023089. The next prime is 122130023117. The reversal of 122130023111 is 111320031221.

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 122130023111 - 2³⁴ = 104950153927 is a prime.

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 122130023111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122130023117) 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, 907451 + ... + 1033308.

It is an arithmetic number, because the mean of its divisors is an integer number (30533006700).

Almost surely, 2^122130023111 is an apocalyptic number.

122130023111 is a deficient number, since it is larger than the sum of its proper divisors (2003689).

122130023111 is an equidigital number, since it uses as much as digits as its factorization.

122130023111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003688.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 122130023111 its reverse (111320031221), we get a palindrome (233450054332).

The spelling of 122130023111 in words is "one hundred twenty-two billion, one hundred thirty million, twenty-three thousand, one hundred eleven".