122130123331 has 4 divisors (see below), whose sum is σ = 122140094832. Its totient is φ = 122120151832.

The previous prime is 122130123281. The next prime is 122130123337. The reversal of 122130123331 is 133321031221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133321031221 = 7 ⋅19045861603.

It is a cyclic number.

It is not a de Polignac number, because 122130123331 - 2¹³ = 122130115139 is a prime.

It is a super-2 number, since 2×122130123331² (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 (122130123337) 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, 4967356 + ... + 4991881.

It is an arithmetic number, because the mean of its divisors is an integer number (30535023708).

Almost surely, 2^122130123331 is an apocalyptic number.

122130123331 is a deficient number, since it is larger than the sum of its proper divisors (9971501).

122130123331 is an equidigital number, since it uses as much as digits as its factorization.

122130123331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9971500.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 122130123331 its reverse (133321031221), we get a palindrome (255451154552).

The spelling of 122130123331 in words is "one hundred twenty-two billion, one hundred thirty million, one hundred twenty-three thousand, three hundred thirty-one".