2101222202 has 32 divisors (see below), whose sum is σ = 3536583120. Its totient is φ = 931409920.

The previous prime is 2101222199. The next prime is 2101222261. The reversal of 2101222202 is 2022221012.

It can be written as a sum of positive squares in 8 ways, for example, as 1097663161 + 1003559041 = 33131^2 + 31679^2 .

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 15 ways as a sum of consecutive naturals, for example, 14438 + ... + 66414.

Almost surely, 2^2101222202 is an apocalyptic number.

2101222202 is a deficient number, since it is larger than the sum of its proper divisors (1435360918).

2101222202 is a wasteful number, since it uses less digits than its factorization.

2101222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52066.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2101222202 is about 45839.0903269251. The cubic root of 2101222202 is about 1280.8275495716.

Adding to 2101222202 its reverse (2022221012), we get a palindrome (4123443214).

The spelling of 2101222202 in words is "two billion, one hundred one million, two hundred twenty-two thousand, two hundred two".