2111142134 has 4 divisors (see below), whose sum is σ = 3166713204. Its totient is φ = 1055571066.

The previous prime is 2111142113. The next prime is 2111142157. The reversal of 2111142134 is 4312411112.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2111142134² = 8913842219900147912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527785532 + ... + 527785535.

It is an arithmetic number, because the mean of its divisors is an integer number (791678301).

Almost surely, 2^2111142134 is an apocalyptic number.

2111142134 is a deficient number, since it is larger than the sum of its proper divisors (1055571070).

2111142134 is a wasteful number, since it uses less digits than its factorization.

2111142134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055571069.

The product of its digits is 192, while the sum is 20.

The square root of 2111142134 is about 45947.1667679303. The cubic root of 2111142134 is about 1282.8399941645.

Adding to 2111142134 its reverse (4312411112), we get a palindrome (6423553246).

The spelling of 2111142134 in words is "two billion, one hundred eleven million, one hundred forty-two thousand, one hundred thirty-four".