11222111113123 has 8 divisors (see below), whose sum is σ = 11268808893936. Its totient is φ = 11175414432000.

The previous prime is 11222111113079. The next prime is 11222111113139. The reversal of 11222111113123 is 32131111122211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11222111113123 - 2¹⁷ = 11222110982051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11222111113094 and 11222111113103.

It is not an unprimeable number, because it can be changed into a prime (11222111113823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24998415 + ... + 25443367.

It is an arithmetic number, because the mean of its divisors is an integer number (1408601111742).

Almost surely, 2^{11222111113123} is an apocalyptic number.

11222111113123 is a deficient number, since it is larger than the sum of its proper divisors (46697780813).

11222111113123 is a wasteful number, since it uses less digits than its factorization.

11222111113123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549845.

The product of its digits is 144, while the sum is 22.

Adding to 11222111113123 its reverse (32131111122211), we get a palindrome (43353222235334).

The spelling of 11222111113123 in words is "eleven trillion, two hundred twenty-two billion, one hundred eleven million, one hundred thirteen thousand, one hundred twenty-three".