2101748100 has 36 divisors (see below), whose sum is σ = 6081058704. Its totient is φ = 560466080.

The previous prime is 2101748093. The next prime is 2101748113. The reversal of 2101748100 is 18471012.

It is a super-2 number, since 2×2101748100² = 8834690151707220000, which contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3502614 + ... + 3503213.

Almost surely, 2^2101748100 is an apocalyptic number.

2101748100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101748100 is an abundant number, since it is smaller than the sum of its proper divisors (3979310604).

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

2101748100 is a wasteful number, since it uses less digits than its factorization.

2101748100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7005844 (or 7005837 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 2101748100 is about 45844.8263166085. The cubic root of 2101748100 is about 1280.9343966657.

The spelling of 2101748100 in words is "two billion, one hundred one million, seven hundred forty-eight thousand, one hundred".