122222231123 has 4 divisors (see below), whose sum is σ = 122245310280. Its totient is φ = 122199151968.

The previous prime is 122222231059. The next prime is 122222231143. The reversal of 122222231123 is 321132222221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321132222221 = 18919 ⋅16974059.

It is a cyclic number.

It is not a de Polignac number, because 122222231123 - 2⁶ = 122222231059 is a prime.

It is a super-2 number, since 2×122222231123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122222231143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11531633 + ... + 11542226.

It is an arithmetic number, because the mean of its divisors is an integer number (30561327570).

Almost surely, 2^122222231123 is an apocalyptic number.

122222231123 is a deficient number, since it is larger than the sum of its proper divisors (23079157).

122222231123 is an equidigital number, since it uses as much as digits as its factorization.

122222231123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23079156.

The product of its digits is 1152, while the sum is 23.

Adding to 122222231123 its reverse (321132222221), we get a palindrome (443354453344).

The spelling of 122222231123 in words is "one hundred twenty-two billion, two hundred twenty-two million, two hundred thirty-one thousand, one hundred twenty-three".