22000211111009 has 2 divisors, whose sum is σ = 22000211111010. Its totient is φ = 22000211111008.

The previous prime is 22000211111003. The next prime is 22000211111111. The reversal of 22000211111009 is 90011111200022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18481641744784 + 3518569366225 = 4299028^2 + 1875785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22000211111009 is a prime.

It is not a weakly prime, because it can be changed into another prime (22000211111003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000105555504 + 11000105555505.

It is an arithmetic number, because the mean of its divisors is an integer number (11000105555505).

Almost surely, 2^{22000211111009} is an apocalyptic number.

It is an amenable number.

22000211111009 is a deficient number, since it is larger than the sum of its proper divisors (1).

22000211111009 is an equidigital number, since it uses as much as digits as its factorization.

22000211111009 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 22000211111009 in words is "twenty-two trillion, two hundred eleven million, one hundred eleven thousand, nine".