2111130123 has 8 divisors (see below), whose sum is σ = 2815067136. Its totient is φ = 1407306600.

The previous prime is 2111130113. The next prime is 2111130137. The reversal of 2111130123 is 3210311112.

It is a happy number.

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

It is not a de Polignac number, because 2111130123 - 2¹² = 2111126027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111130103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35718 + ... + 74148.

It is an arithmetic number, because the mean of its divisors is an integer number (351883392).

Almost surely, 2^2111130123 is an apocalyptic number.

2111130123 is a deficient number, since it is larger than the sum of its proper divisors (703937013).

2111130123 is a wasteful number, since it uses less digits than its factorization.

2111130123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56745.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2111130123 is about 45947.0360632762. The cubic root of 2111130123 is about 1282.8375613233.

Adding to 2111130123 its reverse (3210311112), we get a palindrome (5321441235).

The spelling of 2111130123 in words is "two billion, one hundred eleven million, one hundred thirty thousand, one hundred twenty-three".