21110233110122 has 16 divisors (see below), whose sum is σ = 34101222759072. Its totient is φ = 9743162522160.

The previous prime is 21110233110121. The next prime is 21110233110143. The reversal of 21110233110122 is 22101133201112.

It is a junction number, because it is equal to n+sod(n) for n = 21110233110094 and 21110233110103.

It is not an unprimeable number, because it can be changed into a prime (21110233110121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18962213 + ... + 20044599.

It is an arithmetic number, because the mean of its divisors is an integer number (2131326422442).

Almost surely, 2^{21110233110122} is an apocalyptic number.

21110233110122 is a deficient number, since it is larger than the sum of its proper divisors (12990989648950).

21110233110122 is a wasteful number, since it uses less digits than its factorization.

21110233110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832533.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 21110233110122 its reverse (22101133201112), we get a palindrome (43211366311234).

The spelling of 21110233110122 in words is "twenty-one trillion, one hundred ten billion, two hundred thirty-three million, one hundred ten thousand, one hundred twenty-two".