21113223110332 has 24 divisors (see below), whose sum is σ = 37314647356896. Its totient is φ = 10451938080768.

The previous prime is 21113223110327. The next prime is 21113223110377. The reversal of 21113223110332 is 23301132231112.

It is a junction number, because it is equal to n+sod(n) for n = 21113223110297 and 21113223110306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3371173 + ... + 7320604.

It is an arithmetic number, because the mean of its divisors is an integer number (1554776973204).

Almost surely, 2^{21113223110332} is an apocalyptic number.

It is an amenable number.

21113223110332 is a deficient number, since it is larger than the sum of its proper divisors (16201424246564).

21113223110332 is a wasteful number, since it uses less digits than its factorization.

21113223110332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10696677 (or 10696675 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 21113223110332 its reverse (23301132231112), we get a palindrome (44414355341444).

The spelling of 21113223110332 in words is "twenty-one trillion, one hundred thirteen billion, two hundred twenty-three million, one hundred ten thousand, three hundred thirty-two".