22202221012109 has 2 divisors, whose sum is σ = 22202221012110. Its totient is φ = 22202221012108.

The previous prime is 22202221012051. The next prime is 22202221012211. The reversal of 22202221012109 is 90121012220222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17292473530084 + 4909747482025 = 4158422^2 + 2215795^2 .

It is a cyclic number.

It is not a de Polignac number, because 22202221012109 - 2²⁴ = 22202204234893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22202271012109) 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, 11101110506054 + 11101110506055.

It is an arithmetic number, because the mean of its divisors is an integer number (11101110506055).

Almost surely, 2^{22202221012109} is an apocalyptic number.

It is an amenable number.

22202221012109 is a deficient number, since it is larger than the sum of its proper divisors (1).

22202221012109 is an equidigital number, since it uses as much as digits as its factorization.

22202221012109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 22202221012109 in words is "twenty-two trillion, two hundred two billion, two hundred twenty-one million, twelve thousand, one hundred nine".