111660214 has 8 divisors (see below), whose sum is σ = 170329320. Its totient is φ = 54883776.

The previous prime is 111660173. The next prime is 111660221. The reversal of 111660214 is 412066111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473019 + ... + 473254.

It is an arithmetic number, because the mean of its divisors is an integer number (21291165).

Almost surely, 2^111660214 is an apocalyptic number.

111660214 is a deficient number, since it is larger than the sum of its proper divisors (58669106).

111660214 is an equidigital number, since it uses as much as digits as its factorization.

111660214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946334.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 111660214 is about 10566.9396705006. The cubic root of 111660214 is about 481.5404991694.

The spelling of 111660214 in words is "one hundred eleven million, six hundred sixty thousand, two hundred fourteen".