22221112011013 has 2 divisors, whose sum is σ = 22221112011014. Its totient is φ = 22221112011012.

The previous prime is 22221112010899. The next prime is 22221112011017. The reversal of 22221112011013 is 31011021112222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14617454665284 + 7603657345729 = 3823278^2 + 2757473^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22221112011013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22221112011017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110556005506 + 11110556005507.

It is an arithmetic number, because the mean of its divisors is an integer number (11110556005507).

Almost surely, 2^{22221112011013} is an apocalyptic number.

It is an amenable number.

22221112011013 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221112011013 is an equidigital number, since it uses as much as digits as its factorization.

22221112011013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 22221112011013 its reverse (31011021112222), we get a palindrome (53232133123235).

The spelling of 22221112011013 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred twelve million, eleven thousand, thirteen".