111020031112 has 32 divisors (see below), whose sum is σ = 211692948480. Its totient is φ = 54573471360.

The previous prime is 111020031103. The next prime is 111020031121. The reversal of 111020031112 is 211130020111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111020031103) and next prime (111020031121).

It is a junction number, because it is equal to n+sod(n) for n = 111020031092 and 111020031101.

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 7 ways as a sum of consecutive naturals, for example, 124008 + ... + 487255.

It is an arithmetic number, because the mean of its divisors is an integer number (6615404640).

Almost surely, 2^111020031112 is an apocalyptic number.

It is an amenable number.

111020031112 is a deficient number, since it is larger than the sum of its proper divisors (100672917368).

111020031112 is a wasteful number, since it uses less digits than its factorization.

111020031112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611653 (or 611649 counting only the distinct ones).

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

Adding to 111020031112 its reverse (211130020111), we get a palindrome (322150051223).

The spelling of 111020031112 in words is "one hundred eleven billion, twenty million, thirty-one thousand, one hundred twelve".