11020304121 has 8 divisors (see below), whose sum is σ = 14900693184. Its totient is φ = 7243392240.

The previous prime is 11020304089. The next prime is 11020304137. The reversal of 11020304121 is 12140302011.

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

It is not a de Polignac number, because 11020304121 - 2⁵ = 11020304089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11020304121.

It is not an unprimeable number, because it can be changed into a prime (11020304521) 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, 25869046 + ... + 25869471.

It is an arithmetic number, because the mean of its divisors is an integer number (1862586648).

Almost surely, 2^11020304121 is an apocalyptic number.

It is an amenable number.

11020304121 is a deficient number, since it is larger than the sum of its proper divisors (3880389063).

11020304121 is an equidigital number, since it uses as much as digits as its factorization.

11020304121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51738591.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11020304121 its reverse (12140302011), we get a palindrome (23160606132).

The spelling of 11020304121 in words is "eleven billion, twenty million, three hundred four thousand, one hundred twenty-one".