11233133220 has 48 divisors (see below), whose sum is σ = 31806190080. Its totient is φ = 2961843456.

The previous prime is 11233133173. The next prime is 11233133221. The reversal of 11233133220 is 2233133211.

It is not an unprimeable number, because it can be changed into a prime (11233133221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1046452 + ... + 1057131.

It is an arithmetic number, because the mean of its divisors is an integer number (662628960).

Almost surely, 2^11233133220 is an apocalyptic number.

11233133220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11233133220 is an abundant number, since it is smaller than the sum of its proper divisors (20573056860).

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

11233133220 is a wasteful number, since it uses less digits than its factorization.

11233133220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103684 (or 2103682 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 11233133220 its reverse (2233133211), we get a palindrome (13466266431).

Subtracting from 11233133220 its reverse (2233133211), we obtain a palindrome (9000000009).

It can be divided in two parts, 11233 and 133220, that added together give a triangular number (144453 = T₅₃₇).

The spelling of 11233133220 in words is "eleven billion, two hundred thirty-three million, one hundred thirty-three thousand, two hundred twenty".