201021202200 has 384 divisors, whose sum is σ = 812093022720. Its totient is φ = 39918182400.

The previous prime is 201021202199. The next prime is 201021202219. The reversal of 201021202200 is 2202120102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 819915 + ... + 1036485.

It is an arithmetic number, because the mean of its divisors is an integer number (2114825580).

Almost surely, 2^201021202200 is an apocalyptic number.

201021202200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201021202200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406046511360).

201021202200 is an abundant number, since it is smaller than the sum of its proper divisors (611071820520).

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

201021202200 is a wasteful number, since it uses less digits than its factorization.

201021202200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216627 (or 216618 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 201021202200 its reverse (2202120102), we get a palindrome (203223322302).

The spelling of 201021202200 in words is "two hundred one billion, twenty-one million, two hundred two thousand, two hundred".