1001112223 has 8 divisors (see below), whose sum is σ = 1063653120. Its totient is φ = 939556440.

The previous prime is 1001112209. The next prime is 1001112241. The reversal of 1001112223 is 3222111001.

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 1001112223 - 2⁹ = 1001111711 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 (1001112823) 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, 244183 + ... + 248248.

It is an arithmetic number, because the mean of its divisors is an integer number (132956640).

Almost surely, 2^1001112223 is an apocalyptic number.

1001112223 is a deficient number, since it is larger than the sum of its proper divisors (62540897).

1001112223 is a wasteful number, since it uses less digits than its factorization.

1001112223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492557.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1001112223 is about 31640.3575043014. The cubic root of 1001112223 is about 1000.3706036360.

Adding to 1001112223 its reverse (3222111001), we get a palindrome (4223223224).

The spelling of 1001112223 in words is "one billion, one million, one hundred twelve thousand, two hundred twenty-three".