122203303602221 has 2 divisors, whose sum is σ = 122203303602222. Its totient is φ = 122203303602220.

The previous prime is 122203303602217. The next prime is 122203303602257. The reversal of 122203303602221 is 122206303302221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69639208590121 + 52564095012100 = 8345011^2 + 7250110^2 .

It is a cyclic number.

It is not a de Polignac number, because 122203303602221 - 2² = 122203303602217 is a prime.

It is a super-2 number, since 2×122203303602221² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122203303602521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61101651801110 + 61101651801111.

It is an arithmetic number, because the mean of its divisors is an integer number (61101651801111).

Almost surely, 2^{122203303602221} is an apocalyptic number.

It is an amenable number.

122203303602221 is a deficient number, since it is larger than the sum of its proper divisors (1).

122203303602221 is an equidigital number, since it uses as much as digits as its factorization.

122203303602221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 122203303602221 its reverse (122206303302221), we get a palindrome (244409606904442).

The spelling of 122203303602221 in words is "one hundred twenty-two trillion, two hundred three billion, three hundred three million, six hundred two thousand, two hundred twenty-one".