22011299993 has 2 divisors, whose sum is σ = 22011299994. Its totient is φ = 22011299992.

The previous prime is 22011299941. The next prime is 22011300007. The reversal of 22011299993 is 39999211022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14754475024 + 7256824969 = 121468^2 + 85187^2 .

It is a cyclic number.

It is not a de Polignac number, because 22011299993 - 2⁶ = 22011299929 is a prime.

It is not a weakly prime, because it can be changed into another prime (22011292993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005649996 + 11005649997.

It is an arithmetic number, because the mean of its divisors is an integer number (11005649997).

Almost surely, 2^22011299993 is an apocalyptic number.

It is an amenable number.

22011299993 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011299993 is an equidigital number, since it uses as much as digits as its factorization.

22011299993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464, while the sum is 47.

It can be divided in two parts, 2201129 and 9993, that added together give a palindrome (2211122).

The spelling of 22011299993 in words is "twenty-two billion, eleven million, two hundred ninety-nine thousand, nine hundred ninety-three".