1022110232281 has 2 divisors, whose sum is σ = 1022110232282. Its totient is φ = 1022110232280.

The previous prime is 1022110232149. The next prime is 1022110232303. The reversal of 1022110232281 is 1822320112201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 823403797056 + 198706435225 = 907416^2 + 445765^2 .

It is an emirp because it is prime and its reverse (1822320112201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1022110232281 - 2²⁵ = 1022076677849 is a prime.

It is a super-2 number, since 2×1022110232281² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1022110232081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511055116140 + 511055116141.

It is an arithmetic number, because the mean of its divisors is an integer number (511055116141).

Almost surely, 2^{1022110232281} is an apocalyptic number.

It is an amenable number.

1022110232281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022110232281 is an equidigital number, since it uses as much as digits as its factorization.

1022110232281 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 25.

Adding to 1022110232281 its reverse (1822320112201), we get a palindrome (2844430344482).

The spelling of 1022110232281 in words is "one trillion, twenty-two billion, one hundred ten million, two hundred thirty-two thousand, two hundred eighty-one".