22201100110109 has 2 divisors, whose sum is σ = 22201100110110. Its totient is φ = 22201100110108.

The previous prime is 22201100110087. The next prime is 22201100110171. The reversal of 22201100110109 is 90101100110222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22127521920100 + 73578190009 = 4703990^2 + 271253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22201100110109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22201100110199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100550055054 + 11100550055055.

It is an arithmetic number, because the mean of its divisors is an integer number (11100550055055).

Almost surely, 2^{22201100110109} is an apocalyptic number.

It is an amenable number.

22201100110109 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201100110109 is an equidigital number, since it uses as much as digits as its factorization.

22201100110109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 22201100110109 in words is "twenty-two trillion, two hundred one billion, one hundred million, one hundred ten thousand, one hundred nine".