22022121209993 has 2 divisors, whose sum is σ = 22022121209994. Its totient is φ = 22022121209992.

The previous prime is 22022121209981. The next prime is 22022121210071. The reversal of 22022121209993 is 39990212122022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14200635067129 + 7821486142864 = 3768373^2 + 2796692^2 .

It is a cyclic number.

It is not a de Polignac number, because 22022121209993 - 2⁶ = 22022121209929 is a prime.

It is not a weakly prime, because it can be changed into another prime (22022111209993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011060604996 + 11011060604997.

It is an arithmetic number, because the mean of its divisors is an integer number (11011060604997).

Almost surely, 2^{22022121209993} is an apocalyptic number.

It is an amenable number.

22022121209993 is a deficient number, since it is larger than the sum of its proper divisors (1).

22022121209993 is an equidigital number, since it uses as much as digits as its factorization.

22022121209993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 22022121209993 in words is "twenty-two trillion, twenty-two billion, one hundred twenty-one million, two hundred nine thousand, nine hundred ninety-three".