122121330231 has 16 divisors (see below), whose sum is σ = 163262920320. Its totient is φ = 81197132640.

The previous prime is 122121330229. The next prime is 122121330259. The reversal of 122121330231 is 132033121221.

It is not a de Polignac number, because 122121330231 - 2¹ = 122121330229 is a prime.

It is a super-2 number, since 2×122121330231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122121330198 and 122121330207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122121330731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3465780 + ... + 3500838.

It is an arithmetic number, because the mean of its divisors is an integer number (10203932520).

Almost surely, 2^122121330231 is an apocalyptic number.

122121330231 is a deficient number, since it is larger than the sum of its proper divisors (41141590089).

122121330231 is a wasteful number, since it uses less digits than its factorization.

122121330231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38126.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 122121330231 its reverse (132033121221), we get a palindrome (254154451452).

The spelling of 122121330231 in words is "one hundred twenty-two billion, one hundred twenty-one million, three hundred thirty thousand, two hundred thirty-one".