2111113123 has 8 divisors (see below), whose sum is σ = 2539685120. Its totient is φ = 1714287240.

The previous prime is 2111113111. The next prime is 2111113127. The reversal of 2111113123 is 3213111112.

It is a happy number.

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 2111113123 - 2⁹ = 2111112611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2111113097 and 2111113106.

It is not an unprimeable number, because it can be changed into a prime (2111113127) 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, 7936383 + ... + 7936648.

It is an arithmetic number, because the mean of its divisors is an integer number (317460640).

Almost surely, 2^2111113123 is an apocalyptic number.

2111113123 is a deficient number, since it is larger than the sum of its proper divisors (428571997).

2111113123 is a wasteful number, since it uses less digits than its factorization.

2111113123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15873057.

The product of its digits is 36, while the sum is 16.

The square root of 2111113123 is about 45946.8510672930. The cubic root of 2111113123 is about 1282.8341179390.

Adding to 2111113123 its reverse (3213111112), we get a palindrome (5324224235).

The spelling of 2111113123 in words is "two billion, one hundred eleven million, one hundred thirteen thousand, one hundred twenty-three".