2112101200 has 60 divisors (see below), whose sum is σ = 5535636768. Its totient is φ = 768035200.

The previous prime is 2112101197. The next prime is 2112101203. The reversal of 2112101200 is 21012112.

It is an interprime number because it is at equal distance from previous prime (2112101197) and next prime (2112101203).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112101203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235612 + ... + 244411.

Almost surely, 2^2112101200 is an apocalyptic number.

2112101200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112101200 is an abundant number, since it is smaller than the sum of its proper divisors (3423535568).

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

2112101200 is a wasteful number, since it uses less digits than its factorization.

2112101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480052 (or 480041 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2112101200 is about 45957.6022002889. The cubic root of 2112101200 is about 1283.0342242515.

Adding to 2112101200 its reverse (21012112), we get a palindrome (2133113312).

The spelling of 2112101200 in words is "two billion, one hundred twelve million, one hundred one thousand, two hundred".