111121013214 has 64 divisors (see below), whose sum is σ = 248213203200. Its totient is φ = 36848952864.

The previous prime is 111121013173. The next prime is 111121013251. The reversal of 111121013214 is 412310121111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21412132 + ... + 21417320.

It is an arithmetic number, because the mean of its divisors is an integer number (3878331300).

Almost surely, 2^111121013214 is an apocalyptic number.

111121013214 is an abundant number, since it is smaller than the sum of its proper divisors (137092189986).

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

111121013214 is a wasteful number, since it uses less digits than its factorization.

111121013214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7174 (or 7168 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 111121013214 its reverse (412310121111), we get a palindrome (523431134325).

The spelling of 111121013214 in words is "one hundred eleven billion, one hundred twenty-one million, thirteen thousand, two hundred fourteen".