42213111 has 8 divisors (see below), whose sum is σ = 56432640. Its totient is φ = 28067832.

The previous prime is 42213109. The next prime is 42213133. The reversal of 42213111 is 11131224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42213111 - 2¹ = 42213109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42213161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17221 + ... + 19518.

It is an arithmetic number, because the mean of its divisors is an integer number (7054080).

Almost surely, 2^42213111 is an apocalyptic number.

42213111 is a deficient number, since it is larger than the sum of its proper divisors (14219529).

42213111 is a wasteful number, since it uses less digits than its factorization.

42213111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37125.

The product of its digits is 48, while the sum is 15.

The square root of 42213111 is about 6497.1617649555. The cubic root of 42213111 is about 348.1895931486.

Adding to 42213111 its reverse (11131224), we get a palindrome (53344335).

It can be divided in two parts, 42213 and 111, that added together give a palindrome (42324).

The spelling of 42213111 in words is "forty-two million, two hundred thirteen thousand, one hundred eleven".