2112202100 has 36 divisors (see below), whose sum is σ = 4591414464. Its totient is φ = 843418080.

The previous prime is 2112202093. The next prime is 2112202117. The reversal of 2112202100 is 12022112.

It is a happy number.

It is a super-2 number, since 2×2112202100² = 8922795422488820000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40709 + ... + 76691.

Almost surely, 2^2112202100 is an apocalyptic number.

2112202100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112202100 is an abundant number, since it is smaller than the sum of its proper divisors (2479212364).

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

2112202100 is a wasteful number, since it uses less digits than its factorization.

2112202100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36584 (or 36577 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2112202100 is about 45958.6999380966. The cubic root of 2112202100 is about 1283.0546551052.

Adding to 2112202100 its reverse (12022112), we get a palindrome (2124224212).

The spelling of 2112202100 in words is "two billion, one hundred twelve million, two hundred two thousand, one hundred".