111442322042 has 8 divisors (see below), whose sum is σ = 167177833716. Its totient is φ = 55716377472.

The previous prime is 111442321967. The next prime is 111442322083. The reversal of 111442322042 is 240223244111.

It can be written as a sum of positive squares in 2 ways, for example, as 87408331201 + 24033990841 = 295649^2 + 155029^2 .

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

It is a super-2 number, since 2×111442322042² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2362583 + ... + 2409290.

Almost surely, 2^111442322042 is an apocalyptic number.

111442322042 is a deficient number, since it is larger than the sum of its proper divisors (55735511674).

111442322042 is a wasteful number, since it uses less digits than its factorization.

111442322042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4783552.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 111442322042 its reverse (240223244111), we get a palindrome (351665566153).

The spelling of 111442322042 in words is "one hundred eleven billion, four hundred forty-two million, three hundred twenty-two thousand, forty-two".