2111423042 has 4 divisors (see below), whose sum is σ = 3167134566. Its totient is φ = 1055711520.

The previous prime is 2111423003. The next prime is 2111423053. The reversal of 2111423042 is 2403241112.

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

It can be written as a sum of positive squares in only one way, i.e., 1083002281 + 1028420761 = 32909^2 + 32069^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527855759 + ... + 527855762.

Almost surely, 2^2111423042 is an apocalyptic number.

2111423042 is a deficient number, since it is larger than the sum of its proper divisors (1055711524).

2111423042 is a wasteful number, since it uses less digits than its factorization.

2111423042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055711523.

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

The square root of 2111423042 is about 45950.2235250276. The cubic root of 2111423042 is about 1282.8968897550.

Adding to 2111423042 its reverse (2403241112), we get a palindrome (4514664154).

The spelling of 2111423042 in words is "two billion, one hundred eleven million, four hundred twenty-three thousand, forty-two".