221120222301 has 32 divisors (see below), whose sum is σ = 357700828800. Its totient is φ = 133886701440.

The previous prime is 221120222291. The next prime is 221120222333. The reversal of 221120222301 is 103222021122.

221120222301 is a `hidden beast` number, since 2 + 21 + 120 + 222 + 301 = 666.

It is not a de Polignac number, because 221120222301 - 2⁵ = 221120222269 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221120222381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30736 + ... + 665721.

It is an arithmetic number, because the mean of its divisors is an integer number (11178150900).

Almost surely, 2^221120222301 is an apocalyptic number.

It is an amenable number.

221120222301 is a deficient number, since it is larger than the sum of its proper divisors (136580606499).

221120222301 is a wasteful number, since it uses less digits than its factorization.

221120222301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697546 (or 697540 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 221120222301 its reverse (103222021122), we get a palindrome (324342243423).

The spelling of 221120222301 in words is "two hundred twenty-one billion, one hundred twenty million, two hundred twenty-two thousand, three hundred one".