210001022200 has 48 divisors (see below), whose sum is σ = 490152311280. Its totient is φ = 83673538560.

The previous prime is 210001022197. The next prime is 210001022207. The reversal of 210001022200 is 2220100012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210001022207) 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 11 ways as a sum of consecutive naturals, for example, 1991412 + ... + 2094211.

It is an arithmetic number, because the mean of its divisors is an integer number (10211506485).

Almost surely, 2^210001022200 is an apocalyptic number.

210001022200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210001022200 is an abundant number, since it is smaller than the sum of its proper divisors (280151289080).

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

210001022200 is a wasteful number, since it uses less digits than its factorization.

210001022200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4085896 (or 4085887 counting only the distinct ones).

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

Adding to 210001022200 its reverse (2220100012), we get a palindrome (212221122212).

The spelling of 210001022200 in words is "two hundred ten billion, one million, twenty-two thousand, two hundred".