122621371133 has 2 divisors, whose sum is σ = 122621371134. Its totient is φ = 122621371132.

The previous prime is 122621371091. The next prime is 122621371157. The reversal of 122621371133 is 331173126221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115231733764 + 7389637369 = 339458^2 + 85963^2 .

It is a cyclic number.

It is not a de Polignac number, because 122621371133 - 2⁸ = 122621370877 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 122621371133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122621371183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61310685566 + 61310685567.

It is an arithmetic number, because the mean of its divisors is an integer number (61310685567).

Almost surely, 2^122621371133 is an apocalyptic number.

It is an amenable number.

122621371133 is a deficient number, since it is larger than the sum of its proper divisors (1).

122621371133 is an equidigital number, since it uses as much as digits as its factorization.

122621371133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 32.

Adding to 122621371133 its reverse (331173126221), we get a palindrome (453794497354).

The spelling of 122621371133 in words is "one hundred twenty-two billion, six hundred twenty-one million, three hundred seventy-one thousand, one hundred thirty-three".