22010112402221 has 2 divisors, whose sum is σ = 22010112402222. Its totient is φ = 22010112402220.

The previous prime is 22010112402211. The next prime is 22010112402227. The reversal of 22010112402221 is 12220421101022.

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., 19907757399721 + 2102355002500 = 4461811^2 + 1449950^2 .

It is a cyclic number.

It is not a de Polignac number, because 22010112402221 - 2¹⁰ = 22010112401197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22010112402193 and 22010112402202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22010112402227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005056201110 + 11005056201111.

It is an arithmetic number, because the mean of its divisors is an integer number (11005056201111).

Almost surely, 2^{22010112402221} is an apocalyptic number.

It is an amenable number.

22010112402221 is a deficient number, since it is larger than the sum of its proper divisors (1).

22010112402221 is an equidigital number, since it uses as much as digits as its factorization.

22010112402221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22010112402221 its reverse (12220421101022), we get a palindrome (34230533503243).

The spelling of 22010112402221 in words is "twenty-two trillion, ten billion, one hundred twelve million, four hundred two thousand, two hundred twenty-one".