11210021022281 has 2 divisors, whose sum is σ = 11210021022282. Its totient is φ = 11210021022280.

The previous prime is 11210021022173. The next prime is 11210021022283. The reversal of 11210021022281 is 18222012001211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10095972437056 + 1114048585225 = 3177416^2 + 1055485^2 .

It is a cyclic number.

It is not a de Polignac number, because 11210021022281 - 2¹⁸ = 11210020760137 is a prime.

It is a super-2 number, since 2×11210021022281² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 11210021022283, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11210021022283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605010511140 + 5605010511141.

It is an arithmetic number, because the mean of its divisors is an integer number (5605010511141).

Almost surely, 2^{11210021022281} is an apocalyptic number.

It is an amenable number.

11210021022281 is a deficient number, since it is larger than the sum of its proper divisors (1).

11210021022281 is an equidigital number, since it uses as much as digits as its factorization.

11210021022281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 23.

Adding to 11210021022281 its reverse (18222012001211), we get a palindrome (29432033023492).

The spelling of 11210021022281 in words is "eleven trillion, two hundred ten billion, twenty-one million, twenty-two thousand, two hundred eighty-one".