11130221121 has 8 divisors (see below), whose sum is σ = 15319014144. Its totient is φ = 7180787760.

The previous prime is 11130221117. The next prime is 11130221131. The reversal of 11130221121 is 12112203111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11130221121 - 2² = 11130221117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11130221121.

It is not an unprimeable number, because it can be changed into a prime (11130221131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59839806 + ... + 59839991.

It is an arithmetic number, because the mean of its divisors is an integer number (1914876768).

Almost surely, 2^11130221121 is an apocalyptic number.

It is an amenable number.

11130221121 is a deficient number, since it is larger than the sum of its proper divisors (4188793023).

11130221121 is a wasteful number, since it uses less digits than its factorization.

11130221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119679831.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11130221121 its reverse (12112203111), we get a palindrome (23242424232).

The spelling of 11130221121 in words is "eleven billion, one hundred thirty million, two hundred twenty-one thousand, one hundred twenty-one".