111131102132 has 6 divisors (see below), whose sum is σ = 194479428738. Its totient is φ = 55565551064.

The previous prime is 111131102129. The next prime is 111131102143. The reversal of 111131102132 is 231201131111.

It can be written as a sum of positive squares in only one way, i.e., 77910207376 + 33220894756 = 279124^2 + 182266^2 .

It is a super-2 number, since 2×111131102132² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111131102132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13891387763 + ... + 13891387770.

It is an arithmetic number, because the mean of its divisors is an integer number (32413238123).

Almost surely, 2^111131102132 is an apocalyptic number.

It is an amenable number.

111131102132 is a deficient number, since it is larger than the sum of its proper divisors (83348326606).

111131102132 is a wasteful number, since it uses less digits than its factorization.

111131102132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27782775537 (or 27782775535 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 111131102132 its reverse (231201131111), we get a palindrome (342332233243).

The spelling of 111131102132 in words is "one hundred eleven billion, one hundred thirty-one million, one hundred two thousand, one hundred thirty-two".