1112201023 has 4 divisors (see below), whose sum is σ = 1113936768. Its totient is φ = 1110465280.

The previous prime is 1112201021. The next prime is 1112201033. The reversal of 1112201023 is 3201022111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1112201023 - 2¹ = 1112201021 is a prime.

It is a super-2 number, since 2×1112201023² = 2473982231124493058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112200994 and 1112201012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112201021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866911 + ... + 868192.

It is an arithmetic number, because the mean of its divisors is an integer number (278484192).

Almost surely, 2^1112201023 is an apocalyptic number.

1112201023 is a deficient number, since it is larger than the sum of its proper divisors (1735745).

1112201023 is an equidigital number, since it uses as much as digits as its factorization.

1112201023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735744.

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

The square root of 1112201023 is about 33349.6780044426. The cubic root of 1112201023 is about 1036.0827189434.

Adding to 1112201023 its reverse (3201022111), we get a palindrome (4313223134).

The spelling of 1112201023 in words is "one billion, one hundred twelve million, two hundred one thousand, twenty-three".