111222010 has 32 divisors (see below), whose sum is σ = 213906240. Its totient is φ = 41513472.

The previous prime is 111221977. The next prime is 111222011. The reversal of 111222010 is 10222111.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (111222011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8362 + ... + 17098.

It is an arithmetic number, because the mean of its divisors is an integer number (6684570).

Almost surely, 2^111222010 is an apocalyptic number.

111222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111222010 is a deficient number, since it is larger than the sum of its proper divisors (102684230).

111222010 is a wasteful number, since it uses less digits than its factorization.

111222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8830.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 111222010 is about 10546.1846181451. The cubic root of 111222010 is about 480.9097474607.

Adding to 111222010 its reverse (10222111), we get a palindrome (121444121).

The spelling of 111222010 in words is "one hundred eleven million, two hundred twenty-two thousand, ten".