122121322331 has 2 divisors, whose sum is σ = 122121322332. Its totient is φ = 122121322330.

The previous prime is 122121322313. The next prime is 122121322381. The reversal of 122121322331 is 133223121221.

Together with previous prime (122121322313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122121322331 - 2¹⁴ = 122121305947 is a prime.

It is a super-2 number, since 2×122121322331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122121322297 and 122121322306.

It is not a weakly prime, because it can be changed into another prime (122121322381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060661165 + 61060661166.

It is an arithmetic number, because the mean of its divisors is an integer number (61060661166).

Almost surely, 2^122121322331 is an apocalyptic number.

122121322331 is a deficient number, since it is larger than the sum of its proper divisors (1).

122121322331 is an equidigital number, since it uses as much as digits as its factorization.

122121322331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

Adding to 122121322331 its reverse (133223121221), we get a palindrome (255344443552).

The spelling of 122121322331 in words is "one hundred twenty-two billion, one hundred twenty-one million, three hundred twenty-two thousand, three hundred thirty-one".