111142202 has 8 divisors (see below), whose sum is σ = 167736576. Its totient is φ = 55230012.

The previous prime is 111142133. The next prime is 111142217. The reversal of 111142202 is 202241111.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170138 + ... + 170789.

It is an arithmetic number, because the mean of its divisors is an integer number (20967072).

Almost surely, 2^111142202 is an apocalyptic number.

111142202 is a deficient number, since it is larger than the sum of its proper divisors (56594374).

111142202 is a wasteful number, since it uses less digits than its factorization.

111142202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341092.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 111142202 is about 10542.4002010927. The cubic root of 111142202 is about 480.7946934085.

Adding to 111142202 its reverse (202241111), we get a palindrome (313383313).

The spelling of 111142202 in words is "one hundred eleven million, one hundred forty-two thousand, two hundred two".