111001431043142 has 128 divisors (see below), whose sum is σ = 186607875686400. Its totient is φ = 49323293625600.

The previous prime is 111001431043141. The next prime is 111001431043157. The reversal of 111001431043142 is 241340134100111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111001431043141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1087867667 + ... + 1087969697.

It is an arithmetic number, because the mean of its divisors is an integer number (1457874028800).

Almost surely, 2^{111001431043142} is an apocalyptic number.

111001431043142 is a deficient number, since it is larger than the sum of its proper divisors (75606444643258).

111001431043142 is a wasteful number, since it uses less digits than its factorization.

111001431043142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102402.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 111001431043142 its reverse (241340134100111), we get a palindrome (352341565143253).

The spelling of 111001431043142 in words is "one hundred eleven trillion, one billion, four hundred thirty-one million, forty-three thousand, one hundred forty-two".