22100443361 has 2 divisors, whose sum is σ = 22100443362. Its totient is φ = 22100443360.

The previous prime is 22100443319. The next prime is 22100443373. The reversal of 22100443361 is 16334400122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19187790400 + 2912652961 = 138520^2 + 53969^2 .

It is a cyclic number.

It is not a de Polignac number, because 22100443361 - 2¹⁴ = 22100426977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22100443361.

It is not a weakly prime, because it can be changed into another prime (22100443301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050221680 + 11050221681.

It is an arithmetic number, because the mean of its divisors is an integer number (11050221681).

Almost surely, 2^22100443361 is an apocalyptic number.

It is an amenable number.

22100443361 is a deficient number, since it is larger than the sum of its proper divisors (1).

22100443361 is an equidigital number, since it uses as much as digits as its factorization.

22100443361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 22100443361 its reverse (16334400122), we get a palindrome (38434843483).

The spelling of 22100443361 in words is "twenty-two billion, one hundred million, four hundred forty-three thousand, three hundred sixty-one".