111101031112 has 16 divisors (see below), whose sum is σ = 208665731340. Its totient is φ = 55456836096.

The previous prime is 111101031103. The next prime is 111101031113. The reversal of 111101031112 is 211130101111.

It can be written as a sum of positive squares in 2 ways, for example, as 99569278116 + 11531752996 = 315546^2 + 107386^2 .

It is a super-4 number, since 4×111101031112⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 111101031092 and 111101031101.

It is not an unprimeable number, because it can be changed into a prime (111101031113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11704893 + ... + 11714380.

Almost surely, 2^111101031112 is an apocalyptic number.

It is an amenable number.

111101031112 is a deficient number, since it is larger than the sum of its proper divisors (97564700228).

111101031112 is a wasteful number, since it uses less digits than its factorization.

111101031112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23419872 (or 23419868 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 111101031112 its reverse (211130101111), we get a palindrome (322231132223).

The spelling of 111101031112 in words is "one hundred eleven billion, one hundred one million, thirty-one thousand, one hundred twelve".