11191110021112 has 64 divisors (see below), whose sum is σ = 24551364499200. Its totient is φ = 4682222737920.

The previous prime is 11191110021089. The next prime is 11191110021127. The reversal of 11191110021112 is 21112001119111.

11191110021112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 3446464 + ... + 5853232.

It is an arithmetic number, because the mean of its divisors is an integer number (383615070300).

Almost surely, 2^{11191110021112} 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 11191110021112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12275682249600).

11191110021112 is an abundant number, since it is smaller than the sum of its proper divisors (13360254478088).

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

11191110021112 is a wasteful number, since it uses less digits than its factorization.

11191110021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408756 (or 2408752 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 22.

The spelling of 11191110021112 in words is "eleven trillion, one hundred ninety-one billion, one hundred ten million, twenty-one thousand, one hundred twelve".