2201321220331 has 2 divisors, whose sum is σ = 2201321220332. Its totient is φ = 2201321220330.

The previous prime is 2201321220223. The next prime is 2201321220337. The reversal of 2201321220331 is 1330221231022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2201321220331 is a prime.

It is a super-2 number, since 2×2201321220331² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2201321220337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100660610165 + 1100660610166.

It is an arithmetic number, because the mean of its divisors is an integer number (1100660610166).

Almost surely, 2^{2201321220331} is an apocalyptic number.

2201321220331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201321220331 is an equidigital number, since it uses as much as digits as its factorization.

2201321220331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2201321220331 its reverse (1330221231022), we get a palindrome (3531542451353).

The spelling of 2201321220331 in words is "two trillion, two hundred one billion, three hundred twenty-one million, two hundred twenty thousand, three hundred thirty-one".