22001200209913 has 2 divisors, whose sum is σ = 22001200209914. Its totient is φ = 22001200209912.

The previous prime is 22001200209883. The next prime is 22001200209941. The reversal of 22001200209913 is 31990200210022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18049004521744 + 3952195688169 = 4248412^2 + 1988013^2 .

It is a cyclic number.

It is not a de Polignac number, because 22001200209913 - 2⁵ = 22001200209881 is a prime.

It is not a weakly prime, because it can be changed into another prime (22001200209973) 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, 11000600104956 + 11000600104957.

It is an arithmetic number, because the mean of its divisors is an integer number (11000600104957).

Almost surely, 2^{22001200209913} is an apocalyptic number.

It is an amenable number.

22001200209913 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001200209913 is an equidigital number, since it uses as much as digits as its factorization.

22001200209913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

Adding to 22001200209913 its reverse (31990200210022), we get a palindrome (53991400419935).

The spelling of 22001200209913 in words is "twenty-two trillion, one billion, two hundred million, two hundred nine thousand, nine hundred thirteen".