42011211 has 16 divisors (see below), whose sum is σ = 62022528. Its totient is φ = 25080000.

The previous prime is 42011209. The next prime is 42011213. The reversal of 42011211 is 11211024.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42011209) and next prime (42011213).

It is not a de Polignac number, because 42011211 - 2¹ = 42011209 is a prime.

It is a super-3 number, since 3×42011211³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42011213) 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, 7290 + ... + 11711.

It is an arithmetic number, because the mean of its divisors is an integer number (3876408).

Almost surely, 2^42011211 is an apocalyptic number.

42011211 is a deficient number, since it is larger than the sum of its proper divisors (20011317).

42011211 is a wasteful number, since it uses less digits than its factorization.

42011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19082.

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

The square root of 42011211 is about 6481.6055881240. The cubic root of 42011211 is about 347.6335900981.

Adding to 42011211 its reverse (11211024), we get a palindrome (53222235).

The spelling of 42011211 in words is "forty-two million, eleven thousand, two hundred eleven".