201021110200 has 48 divisors (see below), whose sum is σ = 467950752360. Its totient is φ = 80309232000.

The previous prime is 201021110197. The next prime is 201021110237. The reversal of 201021110200 is 2011120102.

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

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 457471 + ... + 781870.

Almost surely, 2^201021110200 is an apocalyptic number.

201021110200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201021110200 is an abundant number, since it is smaller than the sum of its proper divisors (266929642160).

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

201021110200 is a wasteful number, since it uses less digits than its factorization.

201021110200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240168 (or 1240159 counting only the distinct ones).

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

Adding to 201021110200 its reverse (2011120102), we get a palindrome (203032230302).

The spelling of 201021110200 in words is "two hundred one billion, twenty-one million, one hundred ten thousand, two hundred".