112011223021 has 4 divisors (see below), whose sum is σ = 112025216700. Its totient is φ = 111997229344.

The previous prime is 112011222959. The next prime is 112011223063. The reversal of 112011223021 is 120322110211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29015374921 + 82995848100 = 170339^2 + 288090^2 .

It is a cyclic number.

It is not a de Polignac number, because 112011223021 - 2¹¹ = 112011220973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112011222986 and 112011223004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112011227021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6984826 + ... + 7000843.

It is an arithmetic number, because the mean of its divisors is an integer number (28006304175).

Almost surely, 2^112011223021 is an apocalyptic number.

It is an amenable number.

112011223021 is a deficient number, since it is larger than the sum of its proper divisors (13993679).

112011223021 is an equidigital number, since it uses as much as digits as its factorization.

112011223021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13993678.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 112011223021 its reverse (120322110211), we get a palindrome (232333333232).

The spelling of 112011223021 in words is "one hundred twelve billion, eleven million, two hundred twenty-three thousand, twenty-one".