22111133011232 has 36 divisors (see below), whose sum is σ = 45506247847830. Its totient is φ = 10574889692928.

The previous prime is 22111133011217. The next prime is 22111133011237. The reversal of 22111133011232 is 23211033111122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20220166995856 + 1890966015376 = 4496684^2 + 1375124^2 .

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 22111133011198 and 22111133011207.

It is not an unprimeable number, because it can be changed into a prime (22111133011237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 653076557 + ... + 653110412.

Almost surely, 2^{22111133011232} is an apocalyptic number.

It is an amenable number.

22111133011232 is an abundant number, since it is smaller than the sum of its proper divisors (23395114836598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22111133011232 is a wasteful number, since it uses less digits than its factorization.

22111133011232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306187025 (or 1306186994 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 22111133011232 its reverse (23211033111122), we get a palindrome (45322166122354).

The spelling of 22111133011232 in words is "twenty-two trillion, one hundred eleven billion, one hundred thirty-three million, eleven thousand, two hundred thirty-two".