122221323031 has 2 divisors, whose sum is σ = 122221323032. Its totient is φ = 122221323030.

The previous prime is 122221323019. The next prime is 122221323073. The reversal of 122221323031 is 130323122221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122221323031 - 2⁵ = 122221322999 is a prime.

It is a super-2 number, since 2×122221323031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122221322993 and 122221323011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122221321031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61110661515 + 61110661516.

It is an arithmetic number, because the mean of its divisors is an integer number (61110661516).

Almost surely, 2^122221323031 is an apocalyptic number.

122221323031 is a deficient number, since it is larger than the sum of its proper divisors (1).

122221323031 is an equidigital number, since it uses as much as digits as its factorization.

122221323031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 122221323031 its reverse (130323122221), we get a palindrome (252544445252).

The spelling of 122221323031 in words is "one hundred twenty-two billion, two hundred twenty-one million, three hundred twenty-three thousand, thirty-one".