42112011 has 16 divisors (see below), whose sum is σ = 58818816. Its totient is φ = 26749536.

The previous prime is 42112001. The next prime is 42112061. The reversal of 42112011 is 11021124.

It is a happy number.

It is not a de Polignac number, because 42112011 - 2⁶ = 42111947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42112001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19176 + ... + 21258.

It is an arithmetic number, because the mean of its divisors is an integer number (3676176).

Almost surely, 2^42112011 is an apocalyptic number.

42112011 is a deficient number, since it is larger than the sum of its proper divisors (16706805).

42112011 is a wasteful number, since it uses less digits than its factorization.

42112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 42112011 is about 6489.3767805545. The cubic root of 42112011 is about 347.9114006844.

Adding to 42112011 its reverse (11021124), we get a palindrome (53133135).

The spelling of 42112011 in words is "forty-two million, one hundred twelve thousand, eleven".