20111103222223 has 32 divisors (see below), whose sum is σ = 22395231272960. Its totient is φ = 17934364379520.

The previous prime is 20111103222211. The next prime is 20111103222227. The reversal of 20111103222223 is 32222230111102.

It is a cyclic number.

It is not a de Polignac number, because 20111103222223 - 2¹³ = 20111103214031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20111103222194 and 20111103222203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111103222227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 615887365 + ... + 615920017.

It is an arithmetic number, because the mean of its divisors is an integer number (699850977280).

Almost surely, 2^{20111103222223} is an apocalyptic number.

20111103222223 is a deficient number, since it is larger than the sum of its proper divisors (2284128050737).

20111103222223 is a wasteful number, since it uses less digits than its factorization.

20111103222223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35279.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20111103222223 its reverse (32222230111102), we get a palindrome (52333333333325).

The spelling of 20111103222223 in words is "twenty trillion, one hundred eleven billion, one hundred three million, two hundred twenty-two thousand, two hundred twenty-three".