111322012042 has 4 divisors (see below), whose sum is σ = 166983018066. Its totient is φ = 55661006020.

The previous prime is 111322012031. The next prime is 111322012069. The reversal of 111322012042 is 240210223111.

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

It can be written as a sum of positive squares in only one way, i.e., 69775750801 + 41546261241 = 264151^2 + 203829^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27830503009 + ... + 27830503012.

Almost surely, 2^111322012042 is an apocalyptic number.

111322012042 is a deficient number, since it is larger than the sum of its proper divisors (55661006024).

111322012042 is an equidigital number, since it uses as much as digits as its factorization.

111322012042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55661006023.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 111322012042 its reverse (240210223111), we get a palindrome (351532235153).

The spelling of 111322012042 in words is "one hundred eleven billion, three hundred twenty-two million, twelve thousand, forty-two".