2201202100 has 72 divisors (see below), whose sum is σ = 4837690368. Its totient is φ = 869299200.

The previous prime is 2201202077. The next prime is 2201202161. The reversal of 2201202100 is 12021022.

2201202100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 4482855 + ... + 4483345.

It is an arithmetic number, because the mean of its divisors is an integer number (67190144).

Almost surely, 2^2201202100 is an apocalyptic number.

2201202100 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 2201202100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2418845184).

2201202100 is an abundant number, since it is smaller than the sum of its proper divisors (2636488268).

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

2201202100 is a wasteful number, since it uses less digits than its factorization.

2201202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2201202100 is about 46916.9702772888. The cubic root of 2201202100 is about 1300.8282887158.

Adding to 2201202100 its reverse (12021022), we get a palindrome (2213223122).

It can be divided in two parts, 2 and 201202100, that added together give a palindrome (201202102).

The spelling of 2201202100 in words is "two billion, two hundred one million, two hundred two thousand, one hundred".