22000112102209 has 2 divisors, whose sum is σ = 22000112102210. Its totient is φ = 22000112102208.

The previous prime is 22000112102207. The next prime is 22000112102291. The reversal of 22000112102209 is 90220121100022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21998960993025 + 1151109184 = 4690305^2 + 33928^2 .

It is a cyclic number.

It is not a de Polignac number, because 22000112102209 - 2¹ = 22000112102207 is a prime.

It is a super-4 number, since 4×22000112102209⁴ (a number of 54 digits) contains 4444 as substring.

Together with 22000112102207, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22000112102209.

It is not a weakly prime, because it can be changed into another prime (22000112102203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000056051104 + 11000056051105.

It is an arithmetic number, because the mean of its divisors is an integer number (11000056051105).

Almost surely, 2^{22000112102209} is an apocalyptic number.

It is an amenable number.

22000112102209 is a deficient number, since it is larger than the sum of its proper divisors (1).

22000112102209 is an equidigital number, since it uses as much as digits as its factorization.

22000112102209 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 22000112102209 in words is "twenty-two trillion, one hundred twelve million, one hundred two thousand, two hundred nine".