2102231100 has 36 divisors (see below), whose sum is σ = 6082456184. Its totient is φ = 560594880.

The previous prime is 2102231063. The next prime is 2102231113. The reversal of 2102231100 is 11322012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3503419 + ... + 3504018.

Almost surely, 2^2102231100 is an apocalyptic number.

2102231100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102231100 is an abundant number, since it is smaller than the sum of its proper divisors (3980225084).

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

2102231100 is a wasteful number, since it uses less digits than its factorization.

2102231100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7007454 (or 7007447 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2102231100 is about 45850.0937839826. The cubic root of 2102231100 is about 1281.0325124399.

Adding to 2102231100 its reverse (11322012), we get a palindrome (2113553112).

The spelling of 2102231100 in words is "two billion, one hundred two million, two hundred thirty-one thousand, one hundred".