21202330112223 has 16 divisors (see below), whose sum is σ = 31267192295136. Its totient is φ = 12694950253440.

The previous prime is 21202330112207. The next prime is 21202330112231. The reversal of 21202330112223 is 32221103320212.

It is not a de Polignac number, because 21202330112223 - 2⁴ = 21202330112207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21202330112193 and 21202330112202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202330112423) 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 15 ways as a sum of consecutive naturals, for example, 7346613288 + ... + 7346616173.

It is an arithmetic number, because the mean of its divisors is an integer number (1954199518446).

Almost surely, 2^{21202330112223} is an apocalyptic number.

21202330112223 is a deficient number, since it is larger than the sum of its proper divisors (10064862182913).

21202330112223 is a wasteful number, since it uses less digits than its factorization.

21202330112223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14693229514.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21202330112223 its reverse (32221103320212), we get a palindrome (53423433432435).

The spelling of 21202330112223 in words is "twenty-one trillion, two hundred two billion, three hundred thirty million, one hundred twelve thousand, two hundred twenty-three".