2111142133 has 4 divisors (see below), whose sum is σ = 2112552000. Its totient is φ = 2109732268.

The previous prime is 2111142113. The next prime is 2111142157. The reversal of 2111142133 is 3312411112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2111142133 - 2⁹ = 2111141621 is a prime.

It is a super-2 number, since 2×2111142133² = 8913842211455579378, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2111142133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111142113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702685 + ... + 705682.

It is an arithmetic number, because the mean of its divisors is an integer number (528138000).

Almost surely, 2^2111142133 is an apocalyptic number.

It is an amenable number.

2111142133 is a deficient number, since it is larger than the sum of its proper divisors (1409867).

2111142133 is a wasteful number, since it uses less digits than its factorization.

2111142133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409866.

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

The square root of 2111142133 is about 45947.1667570483. The cubic root of 2111142133 is about 1282.8399939619.

Adding to 2111142133 its reverse (3312411112), we get a palindrome (5423553245).

The spelling of 2111142133 in words is "two billion, one hundred eleven million, one hundred forty-two thousand, one hundred thirty-three".