11120111201 has 4 divisors (see below), whose sum is σ = 11140076052. Its totient is φ = 11100146352.

The previous prime is 11120111173. The next prime is 11120111257. The reversal of 11120111201 is 10211102111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 514200976 + 10605910225 = 22676^2 + 102985^2 .

It is a cyclic number.

It is not a de Polignac number, because 11120111201 - 2²² = 11115916897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11120111701) 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 3 ways as a sum of consecutive naturals, for example, 9981590 + ... + 9982703.

It is an arithmetic number, because the mean of its divisors is an integer number (2785019013).

Almost surely, 2^11120111201 is an apocalyptic number.

It is an amenable number.

11120111201 is a deficient number, since it is larger than the sum of its proper divisors (19964851).

11120111201 is an equidigital number, since it uses as much as digits as its factorization.

11120111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19964850.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11120111201 its reverse (10211102111), we get a palindrome (21331213312).

The spelling of 11120111201 in words is "eleven billion, one hundred twenty million, one hundred eleven thousand, two hundred one".