201221202 has 48 divisors (see below), whose sum is σ = 498052800. Its totient is φ = 53067456.

The previous prime is 201221183. The next prime is 201221203. The reversal of 201221202 is 202122102.

It is not an unprimeable number, because it can be changed into a prime (201221203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7077 + ... + 21272.

It is an arithmetic number, because the mean of its divisors is an integer number (10376100).

Almost surely, 2^201221202 is an apocalyptic number.

201221202 is an abundant number, since it is smaller than the sum of its proper divisors (296831598).

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

201221202 is a wasteful number, since it uses less digits than its factorization.

201221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28387 (or 28374 counting only the distinct ones).

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

The square root of 201221202 is about 14185.2459266662. The cubic root of 201221202 is about 585.9914053262.

Adding to 201221202 its reverse (202122102), we get a palindrome (403343304).

The spelling of 201221202 in words is "two hundred one million, two hundred twenty-one thousand, two hundred two".