10021222202281 has 2 divisors, whose sum is σ = 10021222202282. Its totient is φ = 10021222202280.

The previous prime is 10021222202231. The next prime is 10021222202293. The reversal of 10021222202281 is 18220222212001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5405234407056 + 4615987795225 = 2324916^2 + 2148485^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021222202281 - 2⁷ = 10021222202153 is a prime.

It is a super-2 number, since 2×10021222202281² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10021222202231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010611101140 + 5010611101141.

It is an arithmetic number, because the mean of its divisors is an integer number (5010611101141).

Almost surely, 2^{10021222202281} is an apocalyptic number.

It is an amenable number.

10021222202281 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021222202281 is an equidigital number, since it uses as much as digits as its factorization.

10021222202281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 10021222202281 its reverse (18220222212001), we get a palindrome (28241444414282).

The spelling of 10021222202281 in words is "ten trillion, twenty-one billion, two hundred twenty-two million, two hundred two thousand, two hundred eighty-one".