230221231111 has 4 divisors (see below), whose sum is σ = 230510091672. Its totient is φ = 229932370552.

The previous prime is 230221231109. The next prime is 230221231129. The reversal of 230221231111 is 111132122032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230221231111 - 2¹ = 230221231109 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 (230221231211) 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, 144429085 + ... + 144430678.

It is an arithmetic number, because the mean of its divisors is an integer number (57627522918).

Almost surely, 2^230221231111 is an apocalyptic number.

230221231111 is a deficient number, since it is larger than the sum of its proper divisors (288860561).

230221231111 is an equidigital number, since it uses as much as digits as its factorization.

230221231111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288860560.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 230221231111 its reverse (111132122032), we get a palindrome (341353353143).

The spelling of 230221231111 in words is "two hundred thirty billion, two hundred twenty-one million, two hundred thirty-one thousand, one hundred eleven".