111442243011 has 8 divisors (see below), whose sum is σ = 162097808064. Its totient is φ = 67540753320.

The previous prime is 111442243007. The next prime is 111442243057. The reversal of 111442243011 is 110342244111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111442243011 - 2² = 111442243007 is a prime.

It is a super-2 number, since 2×111442243011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111442243111) 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, 1688518801 + ... + 1688518866.

It is an arithmetic number, because the mean of its divisors is an integer number (20262226008).

Almost surely, 2^111442243011 is an apocalyptic number.

111442243011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111442243011 is a deficient number, since it is larger than the sum of its proper divisors (50655565053).

111442243011 is a wasteful number, since it uses less digits than its factorization.

111442243011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3377037681.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 111442243011 its reverse (110342244111), we get a palindrome (221784487122).

It can be divided in two parts, 111442 and 243011, that added together give a palindrome (354453).

The spelling of 111442243011 in words is "one hundred eleven billion, four hundred forty-two million, two hundred forty-three thousand, eleven".