111121120201112 has 192 divisors, whose sum is σ = 254738825856000. Its totient is φ = 45250539667200.

The previous prime is 111121120201111. The next prime is 111121120201297. The reversal of 111121120201112 is 211102021121111.

It is a super-2 number, since 2×111121120201112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111121120201111) 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, 588536339 + ... + 588725117.

It is an arithmetic number, because the mean of its divisors is an integer number (1326764718000).

Almost surely, 2^{111121120201112} 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 111121120201112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127369412928000).

111121120201112 is an abundant number, since it is smaller than the sum of its proper divisors (143617705654888).

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

111121120201112 is a wasteful number, since it uses less digits than its factorization.

111121120201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189710 (or 189699 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111121120201112 its reverse (211102021121111), we get a palindrome (322223141322223).

The spelling of 111121120201112 in words is "one hundred eleven trillion, one hundred twenty-one billion, one hundred twenty million, two hundred one thousand, one hundred twelve".