2101200222 has 16 divisors (see below), whose sum is σ = 4584436992. Its totient is φ = 636727320.

The previous prime is 2101200197. The next prime is 2101200319. The reversal of 2101200222 is 2220021012.

It is a junction number, because it is equal to n+sod(n) for n = 2101200198 and 2101200207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15918118 + ... + 15918249.

It is an arithmetic number, because the mean of its divisors is an integer number (286527312).

Almost surely, 2^2101200222 is an apocalyptic number.

2101200222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2101200222 is an abundant number, since it is smaller than the sum of its proper divisors (2483236770).

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

2101200222 is a wasteful number, since it uses less digits than its factorization.

2101200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31836383.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2101200222 is about 45838.8505745945. The cubic root of 2101200222 is about 1280.8230834903.

Adding to 2101200222 its reverse (2220021012), we get a palindrome (4321221234).

The spelling of 2101200222 in words is "two billion, one hundred one million, two hundred thousand, two hundred twenty-two".