111000131012 has 12 divisors (see below), whose sum is σ = 194253059196. Its totient is φ = 55499256960.

The previous prime is 111000131003. The next prime is 111000131023. The reversal of 111000131012 is 210131000111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 104008830016 + 6991300996 = 322504^2 + 83614^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111000130984 and 111000131002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192248 + ... + 508880.

It is an arithmetic number, because the mean of its divisors is an integer number (16187754933).

Almost surely, 2^111000131012 is an apocalyptic number.

It is an amenable number.

111000131012 is a deficient number, since it is larger than the sum of its proper divisors (83252928184).

111000131012 is a wasteful number, since it uses less digits than its factorization.

111000131012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404278 (or 404276 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 111000131012 its reverse (210131000111), we get a palindrome (321131131123).

The spelling of 111000131012 in words is "one hundred eleven billion, one hundred thirty-one thousand, twelve".