11301120121 has 16 divisors (see below), whose sum is σ = 11739437248. Its totient is φ = 10871884800.

The previous prime is 11301120119. The next prime is 11301120191. The reversal of 11301120121 is 12102110311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11301120121 - 2¹ = 11301120119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11301120191) 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, 873661 + ... + 886501.

It is an arithmetic number, because the mean of its divisors is an integer number (733714828).

Almost surely, 2^11301120121 is an apocalyptic number.

It is an amenable number.

11301120121 is a deficient number, since it is larger than the sum of its proper divisors (438317127).

11301120121 is a wasteful number, since it uses less digits than its factorization.

11301120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13192.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11301120121 its reverse (12102110311), we get a palindrome (23403230432).

The spelling of 11301120121 in words is "eleven billion, three hundred one million, one hundred twenty thousand, one hundred twenty-one".