111123031331132 has 24 divisors (see below), whose sum is σ = 198603842068800. Its totient is φ = 54379088092160.

The previous prime is 111123031331129. The next prime is 111123031331141. The reversal of 111123031331132 is 231133130321111.

It is a super-2 number, since 2×111123031331132² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39970244 + ... + 42659892.

It is an arithmetic number, because the mean of its divisors is an integer number (8275160086200).

Almost surely, 2^{111123031331132} is an apocalyptic number.

It is an amenable number.

111123031331132 is a deficient number, since it is larger than the sum of its proper divisors (87480810737668).

111123031331132 is a wasteful number, since it uses less digits than its factorization.

111123031331132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909461 (or 2909459 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 111123031331132 its reverse (231133130321111), we get a palindrome (342256161652243).

The spelling of 111123031331132 in words is "one hundred eleven trillion, one hundred twenty-three billion, thirty-one million, three hundred thirty-one thousand, one hundred thirty-two".