11111012220009 has 32 divisors (see below), whose sum is σ = 16399182812544. Its totient is φ = 6648009131520.

The previous prime is 11111012220001. The next prime is 11111012220013. The reversal of 11111012220009 is 90002221011111.

It is not a de Polignac number, because 11111012220009 - 2³ = 11111012220001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11111012220001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11389387 + ... + 12326400.

It is an arithmetic number, because the mean of its divisors is an integer number (512474462892).

Almost surely, 2^{11111012220009} is an apocalyptic number.

It is an amenable number.

11111012220009 is a deficient number, since it is larger than the sum of its proper divisors (5288170592535).

11111012220009 is a wasteful number, since it uses less digits than its factorization.

11111012220009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23716137.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 11111012220009 in words is "eleven trillion, one hundred eleven billion, twelve million, two hundred twenty thousand, nine".