22000111002209 has 2 divisors, whose sum is σ = 22000111002210. Its totient is φ = 22000111002208.

The previous prime is 22000111002187. The next prime is 22000111002227. The reversal of 22000111002209 is 90220011100022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21729395790400 + 270715211809 = 4661480^2 + 520303^2 .

It is a cyclic number.

It is not a de Polignac number, because 22000111002209 - 2¹² = 22000110998113 is a prime.

It is not a weakly prime, because it can be changed into another prime (22000111002239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000055501104 + 11000055501105.

It is an arithmetic number, because the mean of its divisors is an integer number (11000055501105).

Almost surely, 2^{22000111002209} is an apocalyptic number.

It is an amenable number.

22000111002209 is a deficient number, since it is larger than the sum of its proper divisors (1).

22000111002209 is an equidigital number, since it uses as much as digits as its factorization.

22000111002209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 22000111002209 in words is "twenty-two trillion, one hundred eleven million, two thousand, two hundred nine".