23303112112221 has 16 divisors (see below), whose sum is σ = 31640267796480. Its totient is φ = 15252513286640.

The previous prime is 23303112112219. The next prime is 23303112112243. The reversal of 23303112112221 is 12221121130332.

It is a cyclic number.

It is not a de Polignac number, because 23303112112221 - 2¹ = 23303112112219 is a prime.

It is a super-2 number, since 2×23303112112221² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23303112112191 and 23303112112200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23303112112211) 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, 228828345 + ... + 228930158.

It is an arithmetic number, because the mean of its divisors is an integer number (1977516737280).

Almost surely, 2^{23303112112221} is an apocalyptic number.

It is an amenable number.

23303112112221 is a deficient number, since it is larger than the sum of its proper divisors (8337155684259).

23303112112221 is a wasteful number, since it uses less digits than its factorization.

23303112112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457758816.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 23303112112221 its reverse (12221121130332), we get a palindrome (35524233242553).

The spelling of 23303112112221 in words is "twenty-three trillion, three hundred three billion, one hundred twelve million, one hundred twelve thousand, two hundred twenty-one".