22021120200109 has 2 divisors, whose sum is σ = 22021120200110. Its totient is φ = 22021120200108.

The previous prime is 22021120200083. The next prime is 22021120200119. The reversal of 22021120200109 is 90100202112022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21872738848900 + 148381351209 = 4676830^2 + 385203^2 .

It is a cyclic number.

It is not a de Polignac number, because 22021120200109 - 2¹¹ = 22021120198061 is a prime.

It is a super-2 number, since 2×22021120200109² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22021120200109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22021120200119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010560100054 + 11010560100055.

It is an arithmetic number, because the mean of its divisors is an integer number (11010560100055).

Almost surely, 2^{22021120200109} is an apocalyptic number.

It is an amenable number.

22021120200109 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021120200109 is an equidigital number, since it uses as much as digits as its factorization.

22021120200109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 22021120200109 in words is "twenty-two trillion, twenty-one billion, one hundred twenty million, two hundred thousand, one hundred nine".