111202024042 has 4 divisors (see below), whose sum is σ = 166803036066. Its totient is φ = 55601012020.

The previous prime is 111202023949. The next prime is 111202024057. The reversal of 111202024042 is 240420202111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240420202111 = 146921 ⋅1636391.

It can be written as a sum of positive squares in only one way, i.e., 109945959561 + 1256064481 = 331581^2 + 35441^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27800506009 + ... + 27800506012.

Almost surely, 2^111202024042 is an apocalyptic number.

111202024042 is a deficient number, since it is larger than the sum of its proper divisors (55601012024).

111202024042 is an equidigital number, since it uses as much as digits as its factorization.

111202024042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55601012023.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 111202024042 its reverse (240420202111), we get a palindrome (351622226153).

The spelling of 111202024042 in words is "one hundred eleven billion, two hundred two million, twenty-four thousand, forty-two".