111242231382 has 16 divisors (see below), whose sum is σ = 223816707072. Its totient is φ = 36858703080.

The previous prime is 111242231381. The next prime is 111242231383. The reversal of 111242231382 is 283132242111.

It is an interprime number because it is at equal distance from previous prime (111242231381) and next prime (111242231383).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111242231381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55509094 + ... + 55511097.

It is an arithmetic number, because the mean of its divisors is an integer number (13988544192).

Almost surely, 2^111242231382 is an apocalyptic number.

111242231382 is an abundant number, since it is smaller than the sum of its proper divisors (112574475690).

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

111242231382 is a wasteful number, since it uses less digits than its factorization.

111242231382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111020363.

The product of its digits is 4608, while the sum is 30.

Adding to 111242231382 its reverse (283132242111), we get a palindrome (394374473493).

The spelling of 111242231382 in words is "one hundred eleven billion, two hundred forty-two million, two hundred thirty-one thousand, three hundred eighty-two".