220322331121261 has 2 divisors, whose sum is σ = 220322331121262. Its totient is φ = 220322331121260.

The previous prime is 220322331121219. The next prime is 220322331121303. The reversal of 220322331121261 is 162121133223022.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (220322331121219) and next prime (220322331121303).

It can be written as a sum of positive squares in only one way, i.e., 220014744415236 + 307586706025 = 14832894^2 + 554605^2 .

It is a cyclic number.

It is not a de Polignac number, because 220322331121261 - 2¹¹ = 220322331119213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220322331121201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110161165560630 + 110161165560631.

It is an arithmetic number, because the mean of its divisors is an integer number (110161165560631).

Almost surely, 2^{220322331121261} is an apocalyptic number.

It is an amenable number.

220322331121261 is a deficient number, since it is larger than the sum of its proper divisors (1).

220322331121261 is an equidigital number, since it uses as much as digits as its factorization.

220322331121261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 220322331121261 its reverse (162121133223022), we get a palindrome (382443464344283).

The spelling of 220322331121261 in words is "two hundred twenty trillion, three hundred twenty-two billion, three hundred thirty-one million, one hundred twenty-one thousand, two hundred sixty-one".