11020121303 has 4 divisors (see below), whose sum is σ = 11206903080. Its totient is φ = 10833339528.

The previous prime is 11020121267. The next prime is 11020121309. The reversal of 11020121303 is 30312102011.

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

It is a cyclic number.

It is not a de Polignac number, because 11020121303 - 2¹⁴ = 11020104919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020121309) 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, 93390800 + ... + 93390917.

It is an arithmetic number, because the mean of its divisors is an integer number (2801725770).

Almost surely, 2^11020121303 is an apocalyptic number.

11020121303 is a deficient number, since it is larger than the sum of its proper divisors (186781777).

11020121303 is an equidigital number, since it uses as much as digits as its factorization.

11020121303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186781776.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11020121303 its reverse (30312102011), we get a palindrome (41332223314).

The spelling of 11020121303 in words is "eleven billion, twenty million, one hundred twenty-one thousand, three hundred three".