122023531117 has 2 divisors, whose sum is σ = 122023531118. Its totient is φ = 122023531116.

The previous prime is 122023531103. The next prime is 122023531139. The reversal of 122023531117 is 711135320221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120565895076 + 1457636041 = 347226^2 + 38179^2 .

It is a cyclic number.

It is not a de Polignac number, because 122023531117 - 2⁷ = 122023530989 is a prime.

It is a super-2 number, since 2×122023531117² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122023531187) 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 as a sum of consecutive naturals, namely, 61011765558 + 61011765559.

It is an arithmetic number, because the mean of its divisors is an integer number (61011765559).

Almost surely, 2^122023531117 is an apocalyptic number.

It is an amenable number.

122023531117 is a deficient number, since it is larger than the sum of its proper divisors (1).

122023531117 is an equidigital number, since it uses as much as digits as its factorization.

122023531117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

Adding to 122023531117 its reverse (711135320221), we get a palindrome (833158851338).

The spelling of 122023531117 in words is "one hundred twenty-two billion, twenty-three million, five hundred thirty-one thousand, one hundred seventeen".