221241032111 has 8 divisors (see below), whose sum is σ = 241357915344. Its totient is φ = 201124825920.

The previous prime is 221241032081. The next prime is 221241032149. The reversal of 221241032111 is 111230142122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221241032111 - 2²² = 221236837807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221241032011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714785 + ... + 976421.

It is an arithmetic number, because the mean of its divisors is an integer number (30169739418).

Almost surely, 2^221241032111 is an apocalyptic number.

221241032111 is a deficient number, since it is larger than the sum of its proper divisors (20116883233).

221241032111 is a wasteful number, since it uses less digits than its factorization.

221241032111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338521.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 221241032111 its reverse (111230142122), we get a palindrome (332471174233).

The spelling of 221241032111 in words is "two hundred twenty-one billion, two hundred forty-one million, thirty-two thousand, one hundred eleven".