2123134111 has 8 divisors (see below), whose sum is σ = 2492018720. Its totient is φ = 1770644448.

The previous prime is 2123134103. The next prime is 2123134121. The reversal of 2123134111 is 1114313212.

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 2123134111 - 2³ = 2123134103 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 (2123134121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4098456 + ... + 4098973.

It is an arithmetic number, because the mean of its divisors is an integer number (311502340).

Almost surely, 2^2123134111 is an apocalyptic number.

2123134111 is a deficient number, since it is larger than the sum of its proper divisors (368884609).

2123134111 is an equidigital number, since it uses as much as digits as its factorization.

2123134111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8197473.

The product of its digits is 144, while the sum is 19.

The square root of 2123134111 is about 46077.4794341010. The cubic root of 2123134111 is about 1285.2643929008.

Adding to 2123134111 its reverse (1114313212), we get a palindrome (3237447323).

The spelling of 2123134111 in words is "two billion, one hundred twenty-three million, one hundred thirty-four thousand, one hundred eleven".