112244312021 has 4 divisors (see below), whose sum is σ = 112244982444. Its totient is φ = 112243641600.

The previous prime is 112244312009. The next prime is 112244312023. The reversal of 112244312021 is 120213442211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 102887619121 + 9356692900 = 320761^2 + 96730^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112244312021 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 (112244312023) 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, 151031 + ... + 497291.

It is an arithmetic number, because the mean of its divisors is an integer number (28061245611).

Almost surely, 2^112244312021 is an apocalyptic number.

It is an amenable number.

112244312021 is a deficient number, since it is larger than the sum of its proper divisors (670423).

112244312021 is an equidigital number, since it uses as much as digits as its factorization.

112244312021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670422.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 112244312021 its reverse (120213442211), we get a palindrome (232457754232).

The spelling of 112244312021 in words is "one hundred twelve billion, two hundred forty-four million, three hundred twelve thousand, twenty-one".