22113111111103 has 4 divisors (see below), whose sum is σ = 22115151641560. Its totient is φ = 22111070580648.

The previous prime is 22113111111079. The next prime is 22113111111107. The reversal of 22113111111103 is 30111111131122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22113111111103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22113111111107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020248973 + ... + 1020270646.

It is an arithmetic number, because the mean of its divisors is an integer number (5528787910390).

Almost surely, 2^{22113111111103} is an apocalyptic number.

22113111111103 is a deficient number, since it is larger than the sum of its proper divisors (2040530457).

22113111111103 is a wasteful number, since it uses less digits than its factorization.

22113111111103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040530456.

The product of its (nonzero) digits is 36, while the sum is 19.

Adding to 22113111111103 its reverse (30111111131122), we get a palindrome (52224222242225).

The spelling of 22113111111103 in words is "twenty-two trillion, one hundred thirteen billion, one hundred eleven million, one hundred eleven thousand, one hundred three".