11110121221112 has 64 divisors (see below), whose sum is σ = 22396146554880. Its totient is φ = 5154459853312.

The previous prime is 11110121221091. The next prime is 11110121221127. The reversal of 11110121221112 is 21112212101111.

11110121221112 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, 4707308 + ... + 6661755.

It is an arithmetic number, because the mean of its divisors is an integer number (349939789920).

Almost surely, 2^{11110121221112} is an apocalyptic number.

It is an amenable number.

11110121221112 is an abundant number, since it is smaller than the sum of its proper divisors (11286025333768).

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

11110121221112 is a wasteful number, since it uses less digits than its factorization.

11110121221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11369252 (or 11369248 counting only the distinct ones).

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

Adding to 11110121221112 its reverse (21112212101111), we get a palindrome (32222333322223).

The spelling of 11110121221112 in words is "eleven trillion, one hundred ten billion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred twelve".