21223334411204 has 12 divisors (see below), whose sum is σ = 38338926678528. Its totient is φ = 10269355360200.

The previous prime is 21223334411197. The next prime is 21223334411207. The reversal of 21223334411204 is 40211443332212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21223334411207) 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, 85577961212 + ... + 85577961459.

It is an arithmetic number, because the mean of its divisors is an integer number (3194910556544).

Almost surely, 2^{21223334411204} is an apocalyptic number.

It is an amenable number.

21223334411204 is a deficient number, since it is larger than the sum of its proper divisors (17115592267324).

21223334411204 is a wasteful number, since it uses less digits than its factorization.

21223334411204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171155922706 (or 171155922704 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 21223334411204 its reverse (40211443332212), we get a palindrome (61434777743416).

The spelling of 21223334411204 in words is "twenty-one trillion, two hundred twenty-three billion, three hundred thirty-four million, four hundred eleven thousand, two hundred four".