11120011001 has 16 divisors (see below), whose sum is σ = 12522945600. Its totient is φ = 9786577920.

The previous prime is 11120010991. The next prime is 11120011027. The reversal of 11120011001 is 10011002111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11120011001 - 2²² = 11115816697 is a prime.

It is a super-2 number, since 2×11120011001² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11120011001.

It is not an unprimeable number, because it can be changed into a prime (11120011061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50576 + ... + 157473.

It is an arithmetic number, because the mean of its divisors is an integer number (782684100).

Almost surely, 2^11120011001 is an apocalyptic number.

11120011001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11120011001 is a deficient number, since it is larger than the sum of its proper divisors (1402934599).

11120011001 is a wasteful number, since it uses less digits than its factorization.

11120011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208216.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 11120011001 its reverse (10011002111), we get a palindrome (21131013112).

The spelling of 11120011001 in words is "eleven billion, one hundred twenty million, eleven thousand, one".