2112322100 has 36 divisors (see below), whose sum is σ = 5238560544. Its totient is φ = 724224480.

The previous prime is 2112322099. The next prime is 2112322123. The reversal of 2112322100 is 12232112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 1508102 + ... + 1509501.

Almost surely, 2^2112322100 is an apocalyptic number.

2112322100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112322100 is an abundant number, since it is smaller than the sum of its proper divisors (3126238444).

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

2112322100 is a wasteful number, since it uses less digits than its factorization.

2112322100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3017624 (or 3017617 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2112322100 is about 45960.0054395123. The cubic root of 2112322100 is about 1283.0789525975.

Adding to 2112322100 its reverse (12232112), we get a palindrome (2124554212).

The spelling of 2112322100 in words is "two billion, one hundred twelve million, three hundred twenty-two thousand, one hundred".