11303221033 has 16 divisors (see below), whose sum is σ = 12214540800. Its totient is φ = 10397954304.

The previous prime is 11303220991. The next prime is 11303221037. The reversal of 11303221033 is 33012230311.

It is a cyclic number.

It is not a de Polignac number, because 11303221033 - 2³³ = 2713286441 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 11303221033.

It is not an unprimeable number, because it can be changed into a prime (11303221037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6652018 + ... + 6653716.

It is an arithmetic number, because the mean of its divisors is an integer number (763408800).

Almost surely, 2^11303221033 is an apocalyptic number.

11303221033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11303221033 is a deficient number, since it is larger than the sum of its proper divisors (911319767).

11303221033 is a wasteful number, since it uses less digits than its factorization.

11303221033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3168.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 11303221033 its reverse (33012230311), we get a palindrome (44315451344).

The spelling of 11303221033 in words is "eleven billion, three hundred three million, two hundred twenty-one thousand, thirty-three".