11110201121 has 4 divisors (see below), whose sum is σ = 11110412592. Its totient is φ = 11109989652.

The previous prime is 11110201117. The next prime is 11110201127. The reversal of 11110201121 is 12110201111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11110201121 - 2² = 11110201117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11110201127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40346 + ... + 154428.

It is an arithmetic number, because the mean of its divisors is an integer number (2777603148).

Almost surely, 2^11110201121 is an apocalyptic number.

It is an amenable number.

11110201121 is a deficient number, since it is larger than the sum of its proper divisors (211471).

11110201121 is an equidigital number, since it uses as much as digits as its factorization.

11110201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211470.

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

Adding to 11110201121 its reverse (12110201111), we get a palindrome (23220402232).

The spelling of 11110201121 in words is "eleven billion, one hundred ten million, two hundred one thousand, one hundred twenty-one".