11112010001001 has 64 divisors (see below), whose sum is σ = 20286201456640. Its totient is φ = 5854051725120.

The previous prime is 11112010000963. The next prime is 11112010001039. The reversal of 11112010001001 is 10010001021111.

11112010001001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11112010000963) and next prime (11112010001039).

It is not a de Polignac number, because 11112010001001 - 2⁷ = 11112010000873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11112010001501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 795655 + ... + 4780908.

It is an arithmetic number, because the mean of its divisors is an integer number (316971897760).

Almost surely, 2^{11112010001001} is an apocalyptic number.

It is an amenable number.

11112010001001 is a deficient number, since it is larger than the sum of its proper divisors (9174191455639).

11112010001001 is a wasteful number, since it uses less digits than its factorization.

11112010001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5577403 (or 5577397 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11112010001001 its reverse (10010001021111), we get a palindrome (21122011022112).

The spelling of 11112010001001 in words is "eleven trillion, one hundred twelve billion, ten million, one thousand, one".