22022120011993 has 2 divisors, whose sum is σ = 22022120011994. Its totient is φ = 22022120011992.

The previous prime is 22022120011987. The next prime is 22022120012047. The reversal of 22022120011993 is 39911002122022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21935809210624 + 86310801369 = 4683568^2 + 293787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22022120011993 is a prime.

It is not a weakly prime, because it can be changed into another prime (22022120011093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011060005996 + 11011060005997.

It is an arithmetic number, because the mean of its divisors is an integer number (11011060005997).

Almost surely, 2^{22022120011993} is an apocalyptic number.

It is an amenable number.

22022120011993 is a deficient number, since it is larger than the sum of its proper divisors (1).

22022120011993 is an equidigital number, since it uses as much as digits as its factorization.

22022120011993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 22022120011993 in words is "twenty-two trillion, twenty-two billion, one hundred twenty million, eleven thousand, nine hundred ninety-three".