221033332201 has 4 divisors (see below), whose sum is σ = 241127271504. Its totient is φ = 200939392900.

The previous prime is 221033332141. The next prime is 221033332231. The reversal of 221033332201 is 102233330122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 221033332201 - 2¹⁹ = 221032807913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221033332231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10046969635 + ... + 10046969656.

It is an arithmetic number, because the mean of its divisors is an integer number (60281817876).

Almost surely, 2^221033332201 is an apocalyptic number.

It is an amenable number.

221033332201 is a deficient number, since it is larger than the sum of its proper divisors (20093939303).

221033332201 is a wasteful number, since it uses less digits than its factorization.

221033332201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20093939302.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 221033332201 its reverse (102233330122), we get a palindrome (323266662323).

The spelling of 221033332201 in words is "two hundred twenty-one billion, thirty-three million, three hundred thirty-two thousand, two hundred one".