221120201020222 has 12 divisors (see below), whose sum is σ = 385832187494640. Its totient is φ = 94765800437196.

The previous prime is 221120201020211. The next prime is 221120201020297. The reversal of 221120201020222 is 222020102021122.

221120201020222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 221120201020222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1128164290822 + ... + 1128164291017.

It is an arithmetic number, because the mean of its divisors is an integer number (32152682291220).

Almost surely, 2^{221120201020222} is an apocalyptic number.

221120201020222 is a deficient number, since it is larger than the sum of its proper divisors (164711986474418).

221120201020222 is a wasteful number, since it uses less digits than its factorization.

221120201020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256328581855 (or 2256328581848 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 221120201020222 its reverse (222020102021122), we get a palindrome (443140303041344).

The spelling of 221120201020222 in words is "two hundred twenty-one trillion, one hundred twenty billion, two hundred one million, twenty thousand, two hundred twenty-two".