21223132233311 has 8 divisors (see below), whose sum is σ = 21453913012560. Its totient is φ = 20992596058368.

The previous prime is 21223132233253. The next prime is 21223132233323. The reversal of 21223132233311 is 11333223132212.

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 21223132233311 - 2¹⁴ = 21223132216927 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 (21223132233911) 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, 60976601 + ... + 61323666.

It is an arithmetic number, because the mean of its divisors is an integer number (2681739126570).

Almost surely, 2^{21223132233311} is an apocalyptic number.

21223132233311 is a deficient number, since it is larger than the sum of its proper divisors (230780779249).

21223132233311 is a wasteful number, since it uses less digits than its factorization.

21223132233311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122302153.

The product of its digits is 7776, while the sum is 29.

Adding to 21223132233311 its reverse (11333223132212), we get a palindrome (32556355365523).

The spelling of 21223132233311 in words is "twenty-one trillion, two hundred twenty-three billion, one hundred thirty-two million, two hundred thirty-three thousand, three hundred eleven".