2133203100 has 144 divisors (see below), whose sum is σ = 7204205568. Its totient is φ = 477192960.

The previous prime is 2133203077. The next prime is 2133203113. The reversal of 2133203100 is 13023312.

2133203100 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2133203100² = 9101110931699220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2133203100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87894 + ... + 109506.

Almost surely, 2^2133203100 is an apocalyptic number.

2133203100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2133203100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3602102784).

2133203100 is an abundant number, since it is smaller than the sum of its proper divisors (5071002468).

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

2133203100 is a wasteful number, since it uses less digits than its factorization.

2133203100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21684 (or 21677 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2133203100 is about 46186.6116964646. The cubic root of 2133203100 is about 1287.2929833368.

Adding to 2133203100 its reverse (13023312), we get a palindrome (2146226412).

The spelling of 2133203100 in words is "two billion, one hundred thirty-three million, two hundred three thousand, one hundred".