11001012222209 has 4 divisors (see below), whose sum is σ = 11001210063060. Its totient is φ = 11000814381360.

The previous prime is 11001012222197. The next prime is 11001012222259. The reversal of 11001012222209 is 90222221010011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5825933207809 + 5175079014400 = 2413697^2 + 2274880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11001012222209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001012222259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98836994 + ... + 98948235.

It is an arithmetic number, because the mean of its divisors is an integer number (2750302515765).

Almost surely, 2^{11001012222209} is an apocalyptic number.

It is an amenable number.

11001012222209 is a deficient number, since it is larger than the sum of its proper divisors (197840851).

11001012222209 is an equidigital number, since it uses as much as digits as its factorization.

11001012222209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197840850.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 11001012222209 in words is "eleven trillion, one billion, twelve million, two hundred twenty-two thousand, two hundred nine".