111921214 has 16 divisors (see below), whose sum is σ = 171127440. Its totient is φ = 54884160.

The previous prime is 111921211. The next prime is 111921221. The reversal of 111921214 is 412129111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111921211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48777 + ... + 51019.

It is an arithmetic number, because the mean of its divisors is an integer number (10695465).

Almost surely, 2^111921214 is an apocalyptic number.

111921214 is a deficient number, since it is larger than the sum of its proper divisors (59206226).

111921214 is a wasteful number, since it uses less digits than its factorization.

111921214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715.

The product of its digits is 144, while the sum is 22.

The square root of 111921214 is about 10579.2823007990. The cubic root of 111921214 is about 481.9153992573.

The spelling of 111921214 in words is "one hundred eleven million, nine hundred twenty-one thousand, two hundred fourteen".