2111442334 has 4 divisors (see below), whose sum is σ = 3167163504. Its totient is φ = 1055721166.

The previous prime is 2111442331. The next prime is 2111442367. The reversal of 2111442334 is 4332441112.

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

It is a junction number, because it is equal to n+sod(n) for n = 2111442299 and 2111442308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111442331) 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 as a sum of consecutive naturals, namely, 527860582 + ... + 527860585.

It is an arithmetic number, because the mean of its divisors is an integer number (791790876).

Almost surely, 2^2111442334 is an apocalyptic number.

2111442334 is a deficient number, since it is larger than the sum of its proper divisors (1055721170).

2111442334 is a wasteful number, since it uses less digits than its factorization.

2111442334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055721169.

The product of its digits is 2304, while the sum is 25.

The square root of 2111442334 is about 45950.4334473572. The cubic root of 2111442334 is about 1282.9007970047.

Adding to 2111442334 its reverse (4332441112), we get a palindrome (6443883446).

The spelling of 2111442334 in words is "two billion, one hundred eleven million, four hundred forty-two thousand, three hundred thirty-four".