22200121120109 has 2 divisors, whose sum is σ = 22200121120110. Its totient is φ = 22200121120108.

The previous prime is 22200121120003. The next prime is 22200121120117. The reversal of 22200121120109 is 90102112100222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21642239102884 + 557882017225 = 4652122^2 + 746915^2 .

It is a cyclic number.

It is not a de Polignac number, because 22200121120109 - 2⁸ = 22200121119853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22200121120159) 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, 11100060560054 + 11100060560055.

It is an arithmetic number, because the mean of its divisors is an integer number (11100060560055).

Almost surely, 2^{22200121120109} is an apocalyptic number.

It is an amenable number.

22200121120109 is a deficient number, since it is larger than the sum of its proper divisors (1).

22200121120109 is an equidigital number, since it uses as much as digits as its factorization.

22200121120109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 22200121120109 in words is "twenty-two trillion, two hundred billion, one hundred twenty-one million, one hundred twenty thousand, one hundred nine".