202221102012 has 24 divisors (see below), whose sum is σ = 476178133200. Its totient is φ = 66788620416.

The previous prime is 202221102007. The next prime is 202221102071. The reversal of 202221102012 is 210201122202.

202221102012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 202221101982 and 202221102000.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 77300337 + ... + 77302952.

It is an arithmetic number, because the mean of its divisors is an integer number (19840755550).

Almost surely, 2^202221102012 is an apocalyptic number.

It is an amenable number.

202221102012 is an abundant number, since it is smaller than the sum of its proper divisors (273957031188).

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

202221102012 is a wasteful number, since it uses less digits than its factorization.

202221102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154603405 (or 154603403 counting only the distinct ones).

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

Adding to 202221102012 its reverse (210201122202), we get a palindrome (412422224214).

The spelling of 202221102012 in words is "two hundred two billion, two hundred twenty-one million, one hundred two thousand, twelve".