112321112021 has 2 divisors, whose sum is σ = 112321112022. Its totient is φ = 112321112020.

The previous prime is 112321111979. The next prime is 112321112023. The reversal of 112321112021 is 120211123211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111415764100 + 905347921 = 333790^2 + 30089^2 .

It is a cyclic number.

It is not a de Polignac number, because 112321112021 - 2⁶ = 112321111957 is a prime.

Together with 112321112023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112321112023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56160556010 + 56160556011.

It is an arithmetic number, because the mean of its divisors is an integer number (56160556011).

Almost surely, 2^112321112021 is an apocalyptic number.

It is an amenable number.

112321112021 is a deficient number, since it is larger than the sum of its proper divisors (1).

112321112021 is an equidigital number, since it uses as much as digits as its factorization.

112321112021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 112321112021 its reverse (120211123211), we get a palindrome (232532235232).

The spelling of 112321112021 in words is "one hundred twelve billion, three hundred twenty-one million, one hundred twelve thousand, twenty-one".