111012112112 has 60 divisors (see below), whose sum is σ = 237088002480. Its totient is φ = 50316794880.

The previous prime is 111012112103. The next prime is 111012112121. The reversal of 111012112112 is 211211210111.

It is an interprime number because it is at equal distance from previous prime (111012112103) and next prime (111012112121).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 602189 + ... + 764627.

It is an arithmetic number, because the mean of its divisors is an integer number (3951466708).

Almost surely, 2^111012112112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111012112112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118544001240).

111012112112 is an abundant number, since it is smaller than the sum of its proper divisors (126075890368).

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

111012112112 is a wasteful number, since it uses less digits than its factorization.

111012112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162822 (or 162805 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111012112112 its reverse (211211210111), we get a palindrome (322223322223).

The spelling of 111012112112 in words is "one hundred eleven billion, twelve million, one hundred twelve thousand, one hundred twelve".