2112119100 has 864 divisors, whose sum is σ = 9076669056. Its totient is φ = 398131200.

The previous prime is 2112119089. The next prime is 2112119123. The reversal of 2112119100 is 19112112.

It is a happy number.

It is a super-2 number, since 2×2112119100² = 8922094185169620000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 51515080 + ... + 51515120.

It is an arithmetic number, because the mean of its divisors is an integer number (10505404).

Almost surely, 2^2112119100 is an apocalyptic number.

2112119100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112119100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4538334528).

2112119100 is an abundant number, since it is smaller than the sum of its proper divisors (6964549956).

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

2112119100 is a wasteful number, since it uses less digits than its factorization.

2112119100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The square root of 2112119100 is about 45957.7969445882. The cubic root of 2112119100 is about 1283.0378488012.

The spelling of 2112119100 in words is "two billion, one hundred twelve million, one hundred nineteen thousand, one hundred".