122334143221 has 2 divisors, whose sum is σ = 122334143222. Its totient is φ = 122334143220.

The previous prime is 122334143077. The next prime is 122334143227. The reversal of 122334143221 is 122341433221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61349840721 + 60984302500 = 247689^2 + 246950^2 .

It is a cyclic number.

It is not a de Polignac number, because 122334143221 - 2³⁵ = 87974404853 is a prime.

It is a super-2 number, since 2×122334143221² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122334143221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122334143227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61167071610 + 61167071611.

It is an arithmetic number, because the mean of its divisors is an integer number (61167071611).

Almost surely, 2^122334143221 is an apocalyptic number.

It is an amenable number.

122334143221 is a deficient number, since it is larger than the sum of its proper divisors (1).

122334143221 is an equidigital number, since it uses as much as digits as its factorization.

122334143221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 28.

Adding to 122334143221 its reverse (122341433221), we get a palindrome (244675576442).

Subtracting 122334143221 from its reverse (122341433221), we obtain a square (7290000 = 2700²).

The spelling of 122334143221 in words is "one hundred twenty-two billion, three hundred thirty-four million, one hundred forty-three thousand, two hundred twenty-one".