100112222 has 8 divisors (see below), whose sum is σ = 171620976. Its totient is φ = 42905232.

The previous prime is 100112219. The next prime is 100112227. The reversal of 100112222 is 222211001.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100112227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3575423 + ... + 3575450.

It is an arithmetic number, because the mean of its divisors is an integer number (21452622).

Almost surely, 2^100112222 is an apocalyptic number.

100112222 is a deficient number, since it is larger than the sum of its proper divisors (71508754).

100112222 is an equidigital number, since it uses as much as digits as its factorization.

100112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7150882.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 100112222 is about 10005.6095266605. The cubic root of 100112222 is about 464.3324479123.

Adding to 100112222 its reverse (222211001), we get a palindrome (322323223).

The spelling of 100112222 in words is "one hundred million, one hundred twelve thousand, two hundred twenty-two".