112021221020021 has 8 divisors (see below), whose sum is σ = 118621418448384. Its totient is φ = 105422214018240.

The previous prime is 112021221020017. The next prime is 112021221020047. The reversal of 112021221020021 is 120020122120211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112021221020021 - 2² = 112021221020017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112021221020321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297412895 + ... + 297789308.

It is an arithmetic number, because the mean of its divisors is an integer number (14827677306048).

Almost surely, 2^{112021221020021} is an apocalyptic number.

It is an amenable number.

112021221020021 is a deficient number, since it is larger than the sum of its proper divisors (6600197428363).

112021221020021 is a wasteful number, since it uses less digits than its factorization.

112021221020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595213291.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112021221020021 its reverse (120020122120211), we get a palindrome (232041343140232).

The spelling of 112021221020021 in words is "one hundred twelve trillion, twenty-one billion, two hundred twenty-one million, twenty thousand, twenty-one".