23111331230221 has 16 divisors (see below), whose sum is σ = 24930292109184. Its totient is φ = 21298258384704.

The previous prime is 23111331230179. The next prime is 23111331230327. The reversal of 23111331230221 is 12203213311132.

It is a cyclic number.

It is not a de Polignac number, because 23111331230221 - 2⁷ = 23111331230093 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 (23111331237221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80155911 + ... + 80443723.

It is an arithmetic number, because the mean of its divisors is an integer number (1558143256824).

Almost surely, 2^{23111331230221} is an apocalyptic number.

It is an amenable number.

23111331230221 is a deficient number, since it is larger than the sum of its proper divisors (1818960878963).

23111331230221 is a wasteful number, since it uses less digits than its factorization.

23111331230221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298020.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 23111331230221 its reverse (12203213311132), we get a palindrome (35314544541353).

The spelling of 23111331230221 in words is "twenty-three trillion, one hundred eleven billion, three hundred thirty-one million, two hundred thirty thousand, two hundred twenty-one".