42434422111 has 4 divisors (see below), whose sum is σ = 42438330000. Its totient is φ = 42430514224.

The previous prime is 42434422097. The next prime is 42434422117. The reversal of 42434422111 is 11122443424.

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

It is a cyclic number.

It is not a de Polignac number, because 42434422111 - 2⁷ = 42434421983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42434422111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42434422117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1937611 + ... + 1959388.

It is an arithmetic number, because the mean of its divisors is an integer number (10609582500).

Almost surely, 2^42434422111 is an apocalyptic number.

42434422111 is a deficient number, since it is larger than the sum of its proper divisors (3907889).

42434422111 is a wasteful number, since it uses less digits than its factorization.

42434422111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907888.

The product of its digits is 6144, while the sum is 28.

Adding to 42434422111 its reverse (11122443424), we get a palindrome (53556865535).

The spelling of 42434422111 in words is "forty-two billion, four hundred thirty-four million, four hundred twenty-two thousand, one hundred eleven".