2200120100 has 72 divisors (see below), whose sum is σ = 4879562688. Its totient is φ = 860745600.

The previous prime is 2200120079. The next prime is 2200120141. The reversal of 2200120100 is 10210022.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3025937 + ... + 3026663.

It is an arithmetic number, because the mean of its divisors is an integer number (67771704).

Almost surely, 2^2200120100 is an apocalyptic number.

2200120100 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 2200120100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2439781344).

2200120100 is an abundant number, since it is smaller than the sum of its proper divisors (2679442588).

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

2200120100 is a wasteful number, since it uses less digits than its factorization.

2200120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365 (or 1358 counting only the distinct ones).

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

The square root of 2200120100 is about 46905.4378510637. The cubic root of 2200120100 is about 1300.6151132439.

Adding to 2200120100 its reverse (10210022), we get a palindrome (2210330122).

The spelling of 2200120100 in words is "two billion, two hundred million, one hundred twenty thousand, one hundred".