221232230112011 has 8 divisors (see below), whose sum is σ = 222663778288224. Its totient is φ = 219802981613760.

The previous prime is 221232230112007. The next prime is 221232230112067. The reversal of 221232230112011 is 110211032232122.

221232230112011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 221232230112011 - 2² = 221232230112007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221232230115011) 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, 574726466 + ... + 575111271.

It is an arithmetic number, because the mean of its divisors is an integer number (27832972286028).

Almost surely, 2^{221232230112011} is an apocalyptic number.

221232230112011 is a deficient number, since it is larger than the sum of its proper divisors (1431548176213).

221232230112011 is a wasteful number, since it uses less digits than its factorization.

221232230112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149838981.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 221232230112011 its reverse (110211032232122), we get a palindrome (331443262344133).

The spelling of 221232230112011 in words is "two hundred twenty-one trillion, two hundred thirty-two billion, two hundred thirty million, one hundred twelve thousand, eleven".