201021022210200 has 48 divisors (see below), whose sum is σ = 623165168853480. Its totient is φ = 53605605922560.

The previous prime is 201021022210187. The next prime is 201021022210201. The reversal of 201021022210200 is 2012220120102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201021022210200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201021022210201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167517517909 + ... + 167517519108.

Almost surely, 2^{201021022210200} is an apocalyptic number.

201021022210200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201021022210200 is an abundant number, since it is smaller than the sum of its proper divisors (422144146643280).

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

201021022210200 is a wasteful number, since it uses less digits than its factorization.

201021022210200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335035037036 (or 335035037027 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201021022210200 its reverse (2012220120102), we get a palindrome (203033242330302).

The spelling of 201021022210200 in words is "two hundred one trillion, twenty-one billion, twenty-two million, two hundred ten thousand, two hundred".