2100321222 has 32 divisors (see below), whose sum is σ = 4405363200. Its totient is φ = 666293760.

The previous prime is 2100321221. The next prime is 2100321229. The reversal of 2100321222 is 2221230012.

It is a happy number.

It is a super-2 number, since 2×2100321222² = 8822698471167146568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100321221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10779 + ... + 65702.

It is an arithmetic number, because the mean of its divisors is an integer number (137667600).

Almost surely, 2^2100321222 is an apocalyptic number.

2100321222 is an abundant number, since it is smaller than the sum of its proper divisors (2305041978).

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

2100321222 is a wasteful number, since it uses less digits than its factorization.

2100321222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76708.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2100321222 is about 45829.2616348987. The cubic root of 2100321222 is about 1280.6444553412.

Adding to 2100321222 its reverse (2221230012), we get a palindrome (4321551234).

The spelling of 2100321222 in words is "two billion, one hundred million, three hundred twenty-one thousand, two hundred twenty-two".