11120110001 has 32 divisors (see below), whose sum is σ = 15445382400. Its totient is φ = 7722650880.

The previous prime is 11120109991. The next prime is 11120110009. The reversal of 11120110001 is 10001102111.

It is a happy number.

It is not a de Polignac number, because 11120110001 - 2¹⁸ = 11119847857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11120110009) 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 31 ways as a sum of consecutive naturals, for example, 162506 + ... + 220563.

It is an arithmetic number, because the mean of its divisors is an integer number (482668200).

Almost surely, 2^11120110001 is an apocalyptic number.

11120110001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11120110001 is a deficient number, since it is larger than the sum of its proper divisors (4325272399).

11120110001 is a wasteful number, since it uses less digits than its factorization.

11120110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383129.

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

Adding to 11120110001 its reverse (10001102111), we get a palindrome (21121212112).

It can be divided in two parts, 11120 and 110001, that added together give a palindrome (121121).

The spelling of 11120110001 in words is "eleven billion, one hundred twenty million, one hundred ten thousand, one".