210101222200 has 24 divisors (see below), whose sum is σ = 488485342080. Its totient is φ = 84040488800.

The previous prime is 210101222189. The next prime is 210101222203. The reversal of 210101222200 is 2222101012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210101222203) 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 5 ways as a sum of consecutive naturals, for example, 525252856 + ... + 525253255.

It is an arithmetic number, because the mean of its divisors is an integer number (20353555920).

Almost surely, 2^210101222200 is an apocalyptic number.

210101222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210101222200 is an abundant number, since it is smaller than the sum of its proper divisors (278384119880).

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

210101222200 is a wasteful number, since it uses less digits than its factorization.

210101222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050506127 (or 1050506118 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 210101222200 its reverse (2222101012), we get a palindrome (212323323212).

It can be divided in two parts, 2101012 and 22200, that added together give a palindrome (2123212).

The spelling of 210101222200 in words is "two hundred ten billion, one hundred one million, two hundred twenty-two thousand, two hundred".