2101133804 has 24 divisors (see below), whose sum is σ = 4584292608. Its totient is φ = 818623440.

The previous prime is 2101133803. The next prime is 2101133821. The reversal of 2101133804 is 4083311012.

It is a self number, because there is not a number n which added to its sum of digits gives 2101133804.

It is not an unprimeable number, because it can be changed into a prime (2101133803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3410624 + ... + 3411239.

It is an arithmetic number, because the mean of its divisors is an integer number (191012192).

Almost surely, 2^2101133804 is an apocalyptic number.

It is an amenable number.

2101133804 is an abundant number, since it is smaller than the sum of its proper divisors (2483158804).

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

2101133804 is a wasteful number, since it uses less digits than its factorization.

2101133804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6821885 (or 6821883 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2101133804 is about 45838.1260960786. The cubic root of 2101133804 is about 1280.8095879330.

Adding to 2101133804 its reverse (4083311012), we get a palindrome (6184444816).

The spelling of 2101133804 in words is "two billion, one hundred one million, one hundred thirty-three thousand, eight hundred four".