111020103112 has 16 divisors (see below), whose sum is σ = 208233855360. Its totient is φ = 55491075024.

The previous prime is 111020103107. The next prime is 111020103133. The reversal of 111020103112 is 211301020111.

It is a happy number.

It is a super-2 number, since 2×111020103112² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111020103092 and 111020103101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2347188 + ... + 2394019.

It is an arithmetic number, because the mean of its divisors is an integer number (13014615960).

Almost surely, 2^111020103112 is an apocalyptic number.

It is an amenable number.

111020103112 is a deficient number, since it is larger than the sum of its proper divisors (97213752248).

111020103112 is a wasteful number, since it uses less digits than its factorization.

111020103112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4744140 (or 4744136 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111020103112 its reverse (211301020111), we get a palindrome (322321123223).

The spelling of 111020103112 in words is "one hundred eleven billion, twenty million, one hundred three thousand, one hundred twelve".