221202222113312 has 48 divisors (see below), whose sum is σ = 475189460286912. Its totient is φ = 100523731249920.

The previous prime is 221202222113281. The next prime is 221202222113347. The reversal of 221202222113312 is 213311222202122.

221202222113312 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69482603 + ... + 72596394.

It is an arithmetic number, because the mean of its divisors is an integer number (9899780422644).

Almost surely, 2^{221202222113312} is an apocalyptic number.

221202222113312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

221202222113312 is an abundant number, since it is smaller than the sum of its proper divisors (253987238173600).

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

221202222113312 is a wasteful number, since it uses less digits than its factorization.

221202222113312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142083441 (or 142083433 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 221202222113312 its reverse (213311222202122), we get a palindrome (434513444315434).

The spelling of 221202222113312 in words is "two hundred twenty-one trillion, two hundred two billion, two hundred twenty-two million, one hundred thirteen thousand, three hundred twelve".