210111002021200 has 120 divisors (see below), whose sum is σ = 584807585607488. Its totient is φ = 71051235056640.

The previous prime is 210111002021149. The next prime is 210111002021209. The reversal of 210111002021200 is 2120200111012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210111002021209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 513765762 + ... + 514174561.

Almost surely, 2^{210111002021200} is an apocalyptic number.

210111002021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210111002021200 is an abundant number, since it is smaller than the sum of its proper divisors (374696583586288).

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

210111002021200 is a wasteful number, since it uses less digits than its factorization.

210111002021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027940421 (or 1027940410 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210111002021200 its reverse (2120200111012), we get a palindrome (212231202132212).

The spelling of 210111002021200 in words is "two hundred ten trillion, one hundred eleven billion, two million, twenty-one thousand, two hundred".