210102011200 has 42 divisors (see below), whose sum is σ = 516982265246. Its totient is φ = 84040803840.

The previous prime is 210102011167. The next prime is 210102011209. The reversal of 210102011200 is 2110201012.

It can be written as a sum of positive squares in 3 ways, for example, as 68087596096 + 142014415104 = 260936^2 + 376848^2 .

It is a super-2 number, since 2×210102011200² (a number of 23 digits) contains 22 as substring.

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 (210102011209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65655279 + ... + 65658478.

Almost surely, 2^210102011200 is an apocalyptic number.

210102011200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210102011200 is an abundant number, since it is smaller than the sum of its proper divisors (306880254046).

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

210102011200 is a wasteful number, since it uses less digits than its factorization.

210102011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131313779 (or 131313764 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 210102011200 its reverse (2110201012), we get a palindrome (212212212212).

The spelling of 210102011200 in words is "two hundred ten billion, one hundred two million, eleven thousand, two hundred".