1322211012281 has 2 divisors, whose sum is σ = 1322211012282. Its totient is φ = 1322211012280.

The previous prime is 1322211012253. The next prime is 1322211012329. The reversal of 1322211012281 is 1822101122231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1081306739881 + 240904272400 = 1039859^2 + 490820^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322211012281 - 2²⁶ = 1322143903417 is a prime.

It is a super-2 number, since 2×1322211012281² (a number of 25 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 1322211012281.

It is not a weakly prime, because it can be changed into another prime (1322211012581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661105506140 + 661105506141.

It is an arithmetic number, because the mean of its divisors is an integer number (661105506141).

Almost surely, 2^{1322211012281} is an apocalyptic number.

It is an amenable number.

1322211012281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322211012281 is an equidigital number, since it uses as much as digits as its factorization.

1322211012281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 26.

The spelling of 1322211012281 in words is "one trillion, three hundred twenty-two billion, two hundred eleven million, twelve thousand, two hundred eighty-one".