111240401142 has 32 divisors (see below), whose sum is σ = 239634414432. Its totient is φ = 34222143744.

The previous prime is 111240401141. The next prime is 111240401149. The reversal of 111240401142 is 241104042111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111240401141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368298 + ... + 598434.

It is an arithmetic number, because the mean of its divisors is an integer number (7488575451).

Almost surely, 2^111240401142 is an apocalyptic number.

111240401142 is an abundant number, since it is smaller than the sum of its proper divisors (128394013290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111240401142 is a wasteful number, since it uses less digits than its factorization.

111240401142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236352.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 111240401142 its reverse (241104042111), we get a palindrome (352344443253).

The spelling of 111240401142 in words is "one hundred eleven billion, two hundred forty million, four hundred one thousand, one hundred forty-two".