2111342042 has 16 divisors (see below), whose sum is σ = 3283338240. Its totient is φ = 1017054192.

The previous prime is 2111342039. The next prime is 2111342119. The reversal of 2111342042 is 2402431112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12458 + ... + 66165.

It is an arithmetic number, because the mean of its divisors is an integer number (205208640).

Almost surely, 2^2111342042 is an apocalyptic number.

2111342042 is a deficient number, since it is larger than the sum of its proper divisors (1171996198).

2111342042 is a wasteful number, since it uses less digits than its factorization.

2111342042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79117.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2111342042 is about 45949.3421280436. The cubic root of 2111342042 is about 1282.8804843931.

Adding to 2111342042 its reverse (2402431112), we get a palindrome (4513773154).

The spelling of 2111342042 in words is "two billion, one hundred eleven million, three hundred forty-two thousand, forty-two".