221133113301 has 32 divisors (see below), whose sum is σ = 319235051520. Its totient is φ = 135738187200.

The previous prime is 221133113297. The next prime is 221133113339. The reversal of 221133113301 is 103311331122.

It is a happy number.

It is not a de Polignac number, because 221133113301 - 2² = 221133113297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221133113381) 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, 495396 + ... + 829266.

It is an arithmetic number, because the mean of its divisors is an integer number (9976095360).

Almost surely, 2^221133113301 is an apocalyptic number.

It is an amenable number.

221133113301 is a deficient number, since it is larger than the sum of its proper divisors (98101938219).

221133113301 is a wasteful number, since it uses less digits than its factorization.

221133113301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334257.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 221133113301 its reverse (103311331122), we get a palindrome (324444444423).

The spelling of 221133113301 in words is "two hundred twenty-one billion, one hundred thirty-three million, one hundred thirteen thousand, three hundred one".