111110021112 has 192 divisors, whose sum is σ = 297406771200. Its totient is φ = 34583915520.

The previous prime is 111110021101. The next prime is 111110021117. The reversal of 111110021112 is 211120011111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111110021117) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 265178839 + ... + 265179257.

It is an arithmetic number, because the mean of its divisors is an integer number (1548993600).

Almost surely, 2^111110021112 is an apocalyptic number.

111110021112 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 111110021112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148703385600).

111110021112 is an abundant number, since it is smaller than the sum of its proper divisors (186296750088).

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

111110021112 is a wasteful number, since it uses less digits than its factorization.

111110021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111110021112 its reverse (211120011111), we get a palindrome (322230032223).

The spelling of 111110021112 in words is "one hundred eleven billion, one hundred ten million, twenty-one thousand, one hundred twelve".