2220112011123 has 12 divisors (see below), whose sum is σ = 3229899170680. Its totient is φ = 1469426654016.

The previous prime is 2220112011121. The next prime is 2220112011149. The reversal of 2220112011123 is 3211102110222.

It is not a de Polignac number, because 2220112011123 - 2¹ = 2220112011121 is a prime.

It is a super-2 number, since 2×2220112011123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220112011096 and 2220112011105.

It is not an unprimeable number, because it can be changed into a prime (2220112011121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 887333686 + ... + 887336187.

Almost surely, 2^{2220112011123} is an apocalyptic number.

2220112011123 is a deficient number, since it is larger than the sum of its proper divisors (1009787159557).

2220112011123 is a wasteful number, since it uses less digits than its factorization.

2220112011123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774670018 (or 1774670015 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2220112011123 its reverse (3211102110222), we get a palindrome (5431214121345).

Subtracting 2220112011123 from its reverse (3211102110222), we obtain a palindrome (990990099099).

The spelling of 2220112011123 in words is "two trillion, two hundred twenty billion, one hundred twelve million, eleven thousand, one hundred twenty-three".