100111223 has 8 divisors (see below), whose sum is σ = 102539088. Its totient is φ = 97703424.

The previous prime is 100111189. The next prime is 100111229. The reversal of 100111223 is 322111001.

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

It is a cyclic number.

It is not a de Polignac number, because 100111223 - 2¹² = 100107127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100111229) 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 7 ways as a sum of consecutive naturals, for example, 5336 + ... + 15122.

It is an arithmetic number, because the mean of its divisors is an integer number (12817386).

Almost surely, 2^100111223 is an apocalyptic number.

100111223 is a deficient number, since it is larger than the sum of its proper divisors (2427865).

100111223 is an equidigital number, since it uses as much as digits as its factorization.

100111223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10033.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 100111223 is about 10005.5596045399. The cubic root of 100111223 is about 464.3309034134.

Adding to 100111223 its reverse (322111001), we get a palindrome (422222224).

The spelling of 100111223 in words is "one hundred million, one hundred eleven thousand, two hundred twenty-three".