201020202221012 has 48 divisors (see below), whose sum is σ = 353193765724800. Its totient is φ = 100108210896000.

The previous prime is 201020202220987. The next prime is 201020202221057. The reversal of 201020202221012 is 210122202020102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15678973562 + ... + 15678986382.

It is an arithmetic number, because the mean of its divisors is an integer number (7358203452600).

Almost surely, 2^{201020202221012} is an apocalyptic number.

It is an amenable number.

201020202221012 is a deficient number, since it is larger than the sum of its proper divisors (152173563503788).

201020202221012 is a wasteful number, since it uses less digits than its factorization.

201020202221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21632 (or 21630 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201020202221012 its reverse (210122202020102), we get a palindrome (411142404241114).

The spelling of 201020202221012 in words is "two hundred one trillion, twenty billion, two hundred two million, two hundred twenty-one thousand, twelve".