111101240324042 has 4 divisors (see below), whose sum is σ = 166651860486066. Its totient is φ = 55550620162020.

The previous prime is 111101240324027. The next prime is 111101240324069. The reversal of 111101240324042 is 240423042101111.

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., 110979082384921 + 122157939121 = 10534661^2 + 349511^2 .

It is a super-2 number, since 2×111101240324042² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27775310081009 + ... + 27775310081012.

Almost surely, 2^{111101240324042} is an apocalyptic number.

111101240324042 is a deficient number, since it is larger than the sum of its proper divisors (55550620162024).

111101240324042 is an equidigital number, since it uses as much as digits as its factorization.

111101240324042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55550620162023.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 111101240324042 its reverse (240423042101111), we get a palindrome (351524282425153).

The spelling of 111101240324042 in words is "one hundred eleven trillion, one hundred one billion, two hundred forty million, three hundred twenty-four thousand, forty-two".