11203220334 has 16 divisors (see below), whose sum is σ = 22421900160. Its totient is φ = 3731830200.

The previous prime is 11203220323. The next prime is 11203220389. The reversal of 11203220334 is 43302230211.

It is a self number, because there is not a number n which added to its sum of digits gives 11203220334.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634714 + ... + 652125.

It is an arithmetic number, because the mean of its divisors is an integer number (1401368760).

Almost surely, 2^11203220334 is an apocalyptic number.

11203220334 is an abundant number, since it is smaller than the sum of its proper divisors (11218679826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11203220334 is a wasteful number, since it uses less digits than its factorization.

11203220334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288295.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 11203220334 its reverse (43302230211), we get a palindrome (54505450545).

The spelling of 11203220334 in words is "eleven billion, two hundred three million, two hundred twenty thousand, three hundred thirty-four".