11220331235 has 4 divisors (see below), whose sum is σ = 13464397488. Its totient is φ = 8976264984.

The previous prime is 11220331229. The next prime is 11220331259. The reversal of 11220331235 is 53213302211.

11220331235 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, and also an emirpimes, since its reverse is a distinct semiprime: 53213302211 = 87877 ⋅605543.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11220331235 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11220331235.

It is an unprimeable number.

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, 1122033119 + ... + 1122033128.

It is an arithmetic number, because the mean of its divisors is an integer number (3366099372).

Almost surely, 2^11220331235 is an apocalyptic number.

11220331235 is a deficient number, since it is larger than the sum of its proper divisors (2244066253).

11220331235 is an equidigital number, since it uses as much as digits as its factorization.

11220331235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244066252.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 11220331235 its reverse (53213302211), we get a palindrome (64433633446).

The spelling of 11220331235 in words is "eleven billion, two hundred twenty million, three hundred thirty-one thousand, two hundred thirty-five".