122120111323 has 4 divisors (see below), whose sum is σ = 139565841520. Its totient is φ = 104674381128.

The previous prime is 122120111287. The next prime is 122120111383. The reversal of 122120111323 is 323111021221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323111021221 = 39443 ⋅8191847.

It is a cyclic number.

It is not a de Polignac number, because 122120111323 - 2²⁹ = 121583240411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122120111323.

It is not an unprimeable number, because it can be changed into a prime (122120111383) 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, 8722865088 + ... + 8722865101.

It is an arithmetic number, because the mean of its divisors is an integer number (34891460380).

Almost surely, 2^122120111323 is an apocalyptic number.

122120111323 is a deficient number, since it is larger than the sum of its proper divisors (17445730197).

122120111323 is an equidigital number, since it uses as much as digits as its factorization.

122120111323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17445730196.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 122120111323 its reverse (323111021221), we get a palindrome (445231132544).

The spelling of 122120111323 in words is "one hundred twenty-two billion, one hundred twenty million, one hundred eleven thousand, three hundred twenty-three".