11022220122281 has 2 divisors, whose sum is σ = 11022220122282. Its totient is φ = 11022220122280.

The previous prime is 11022220122247. The next prime is 11022220122283. The reversal of 11022220122281 is 18222102222011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6996342403600 + 4025877718681 = 2645060^2 + 2006459^2 .

It is a cyclic number.

It is not a de Polignac number, because 11022220122281 - 2¹⁸ = 11022219860137 is a prime.

It is a super-2 number, since 2×11022220122281² (a number of 27 digits) contains 22 as substring.

Together with 11022220122283, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11022220122281.

It is not a weakly prime, because it can be changed into another prime (11022220122283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5511110061140 + 5511110061141.

It is an arithmetic number, because the mean of its divisors is an integer number (5511110061141).

Almost surely, 2^{11022220122281} is an apocalyptic number.

It is an amenable number.

11022220122281 is a deficient number, since it is larger than the sum of its proper divisors (1).

11022220122281 is an equidigital number, since it uses as much as digits as its factorization.

11022220122281 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 26.

Adding to 11022220122281 its reverse (18222102222011), we get a palindrome (29244322344292).

The spelling of 11022220122281 in words is "eleven trillion, twenty-two billion, two hundred twenty million, one hundred twenty-two thousand, two hundred eighty-one".