201220221202 has 64 divisors (see below), whose sum is σ = 426583987200. Its totient is φ = 68558114880.

The previous prime is 201220221197. The next prime is 201220221227. The reversal of 201220221202 is 202122022102.

201220221202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2606952 + ... + 2683027.

It is an arithmetic number, because the mean of its divisors is an integer number (6665374800).

Almost surely, 2^201220221202 is an apocalyptic number.

201220221202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201220221202 is an abundant number, since it is smaller than the sum of its proper divisors (225363765998).

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

201220221202 is a wasteful number, since it uses less digits than its factorization.

201220221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5290031.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 201220221202 its reverse (202122022102), we get a palindrome (403342243304).

Subtracting 201220221202 from its reverse (202122022102), we obtain a square (901800900 = 30030²).

The spelling of 201220221202 in words is "two hundred one billion, two hundred twenty million, two hundred twenty-one thousand, two hundred two".