111020003112 has 64 divisors (see below), whose sum is σ = 282865536000. Its totient is φ = 36300648384.

The previous prime is 111020003077. The next prime is 111020003141. The reversal of 111020003112 is 211300020111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 570939 + ... + 740277.

It is an arithmetic number, because the mean of its divisors is an integer number (4419774000).

Almost surely, 2^111020003112 is an apocalyptic number.

111020003112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111020003112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141432768000).

111020003112 is an abundant number, since it is smaller than the sum of its proper divisors (171845532888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111020003112 is a wasteful number, since it uses less digits than its factorization.

111020003112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169870 (or 169866 counting only the distinct ones).

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

Adding to 111020003112 its reverse (211300020111), we get a palindrome (322320023223).

The spelling of 111020003112 in words is "one hundred eleven billion, twenty million, three thousand, one hundred twelve".