22056221113 has 2 divisors, whose sum is σ = 22056221114. Its totient is φ = 22056221112.

The previous prime is 22056221081. The next prime is 22056221149. The reversal of 22056221113 is 31112265022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21882693184 + 173527929 = 147928^2 + 13173^2 .

It is a cyclic number.

It is not a de Polignac number, because 22056221113 - 2⁵ = 22056221081 is a prime.

It is not a weakly prime, because it can be changed into another prime (22050221113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11028110556 + 11028110557.

It is an arithmetic number, because the mean of its divisors is an integer number (11028110557).

Almost surely, 2^22056221113 is an apocalyptic number.

It is an amenable number.

22056221113 is a deficient number, since it is larger than the sum of its proper divisors (1).

22056221113 is an equidigital number, since it uses as much as digits as its factorization.

22056221113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 22056221113 its reverse (31112265022), we get a palindrome (53168486135).

The spelling of 22056221113 in words is "twenty-two billion, fifty-six million, two hundred twenty-one thousand, one hundred thirteen".