1011111002209 has 64 divisors (see below), whose sum is σ = 1364544921600. Its totient is φ = 725017466880.

The previous prime is 1011111002177. The next prime is 1011111002219. The reversal of 1011111002209 is 9022001111101.

It is not a de Polignac number, because 1011111002209 - 2⁵ = 1011111002177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011111002219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64529794 + ... + 64545460.

It is an arithmetic number, because the mean of its divisors is an integer number (21321014400).

Almost surely, 2^{1011111002209} is an apocalyptic number.

It is an amenable number.

1011111002209 is a deficient number, since it is larger than the sum of its proper divisors (353433919391).

1011111002209 is a wasteful number, since it uses less digits than its factorization.

1011111002209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16798.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 1011111002209 in words is "one trillion, eleven billion, one hundred eleven million, two thousand, two hundred nine".