22333122011221 has 24 divisors (see below), whose sum is σ = 26169982644096. Its totient is φ = 19002217671360.

The previous prime is 22333122011219. The next prime is 22333122011281. The reversal of 22333122011221 is 12211022133322.

It is not a de Polignac number, because 22333122011221 - 2¹ = 22333122011219 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 (22333122011281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 243683076 + ... + 243774706.

It is an arithmetic number, because the mean of its divisors is an integer number (1090415943504).

Almost surely, 2^{22333122011221} is an apocalyptic number.

It is an amenable number.

22333122011221 is a deficient number, since it is larger than the sum of its proper divisors (3836860632875).

22333122011221 is a wasteful number, since it uses less digits than its factorization.

22333122011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128089 (or 128082 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 22333122011221 its reverse (12211022133322), we get a palindrome (34544144144543).

The spelling of 22333122011221 in words is "twenty-two trillion, three hundred thirty-three billion, one hundred twenty-two million, eleven thousand, two hundred twenty-one".