2101433100 has 72 divisors (see below), whose sum is σ = 6547862160. Its totient is φ = 517274880.

The previous prime is 2101433099. The next prime is 2101433129. The reversal of 2101433100 is 13341012.

It is a super-2 number, since 2×2101433100² = 8832042147551220000, 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 2101433100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265515 + ... + 273314.

It is an arithmetic number, because the mean of its divisors is an integer number (90942530).

Almost surely, 2^2101433100 is an apocalyptic number.

2101433100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101433100 is an abundant number, since it is smaller than the sum of its proper divisors (4446429060).

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

2101433100 is a wasteful number, since it uses less digits than its factorization.

2101433100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538859 (or 538852 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2101433100 is about 45841.3906857111. The cubic root of 2101433100 is about 1280.8704000186.

Adding to 2101433100 its reverse (13341012), we get a palindrome (2114774112).

The spelling of 2101433100 in words is "two billion, one hundred one million, four hundred thirty-three thousand, one hundred".