23121101222233 has 12 divisors (see below), whose sum is σ = 27133992374580. Its totient is φ = 19642705458432.

The previous prime is 23121101222221. The next prime is 23121101222237. The reversal of 23121101222233 is 33222210112132.

It can be written as a sum of positive squares in 2 ways, for example, as 823316687424 + 22297784534809 = 907368^2 + 4722053^2 .

It is not a de Polignac number, because 23121101222233 - 2³⁷ = 22983662268761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23121101222198 and 23121101222207.

It is not an unprimeable number, because it can be changed into a prime (23121101222237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2087867068 + ... + 2087878141.

It is an arithmetic number, because the mean of its divisors is an integer number (2261166031215).

Almost surely, 2^{23121101222233} is an apocalyptic number.

It is an amenable number.

23121101222233 is a deficient number, since it is larger than the sum of its proper divisors (4012891152347).

23121101222233 is a wasteful number, since it uses less digits than its factorization.

23121101222233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4175745336 (or 4175745329 counting only the distinct ones).

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

Adding to 23121101222233 its reverse (33222210112132), we get a palindrome (56343311334365).

The spelling of 23121101222233 in words is "twenty-three trillion, one hundred twenty-one billion, one hundred one million, two hundred twenty-two thousand, two hundred thirty-three".