2113022042 has 4 divisors (see below), whose sum is σ = 3169533066. Its totient is φ = 1056511020.

The previous prime is 2113022033. The next prime is 2113022071. The reversal of 2113022042 is 2402203112.

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., 1619338081 + 493683961 = 40241^2 + 22219^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2113022042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528255509 + ... + 528255512.

Almost surely, 2^2113022042 is an apocalyptic number.

2113022042 is a deficient number, since it is larger than the sum of its proper divisors (1056511024).

2113022042 is a wasteful number, since it uses less digits than its factorization.

2113022042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056511023.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2113022042 is about 45967.6194945964. The cubic root of 2113022042 is about 1283.2206578911.

Adding to 2113022042 its reverse (2402203112), we get a palindrome (4515225154).

The spelling of 2113022042 in words is "two billion, one hundred thirteen million, twenty-two thousand, forty-two".