1112223001 has 4 divisors (see below), whose sum is σ = 1117080100. Its totient is φ = 1107365904.

The previous prime is 1112222999. The next prime is 1112223041. The reversal of 1112223001 is 1003222111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1003222111 = 5153 ⋅194687.

It can be written as a sum of positive squares in 2 ways, for example, as 572357776 + 539865225 = 23924^2 + 23235^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112223001 - 2¹ = 1112222999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112223041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2428206 + ... + 2428663.

It is an arithmetic number, because the mean of its divisors is an integer number (279270025).

Almost surely, 2^1112223001 is an apocalyptic number.

It is an amenable number.

1112223001 is a deficient number, since it is larger than the sum of its proper divisors (4857099).

1112223001 is an equidigital number, since it uses as much as digits as its factorization.

1112223001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4857098.

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

The square root of 1112223001 is about 33350.0075112435. The cubic root of 1112223001 is about 1036.0895435118.

Adding to 1112223001 its reverse (1003222111), we get a palindrome (2115445112).

The spelling of 1112223001 in words is "one billion, one hundred twelve million, two hundred twenty-three thousand, one".