11233301021 has 4 divisors (see below), whose sum is σ = 11894083452. Its totient is φ = 10572518592.

The previous prime is 11233300961. The next prime is 11233301069. The reversal of 11233301021 is 12010333211.

11233301021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5444373796 + 5788927225 = 73786^2 + 76085^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11233301021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 660782413 = 11233301021 / (1 + 1 + 2 + 3 + 3 + 3 + 0 + 1 + 0 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11233361021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330391190 + ... + 330391223.

It is an arithmetic number, because the mean of its divisors is an integer number (2973520863).

Almost surely, 2^11233301021 is an apocalyptic number.

It is an amenable number.

11233301021 is a deficient number, since it is larger than the sum of its proper divisors (660782431).

11233301021 is an equidigital number, since it uses as much as digits as its factorization.

11233301021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660782430.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11233301021 its reverse (12010333211), we get a palindrome (23243634232).

The spelling of 11233301021 in words is "eleven billion, two hundred thirty-three million, three hundred one thousand, twenty-one".