111205221214 has 16 divisors (see below), whose sum is σ = 174514839552. Its totient is φ = 53046232888.

The previous prime is 111205221187. The next prime is 111205221221. The reversal of 111205221214 is 412122502111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3138394 + ... + 3173629.

It is an arithmetic number, because the mean of its divisors is an integer number (10907177472).

Almost surely, 2^111205221214 is an apocalyptic number.

111205221214 is a deficient number, since it is larger than the sum of its proper divisors (63309618338).

111205221214 is a wasteful number, since it uses less digits than its factorization.

111205221214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6312431.

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 111205221214 its reverse (412122502111), we get a palindrome (523327723325).

The spelling of 111205221214 in words is "one hundred eleven billion, two hundred five million, two hundred twenty-one thousand, two hundred fourteen".