112021211221 has 8 divisors (see below), whose sum is σ = 121369083264. Its totient is φ = 102979826880.

The previous prime is 112021211219. The next prime is 112021211233. The reversal of 112021211221 is 122112120211.

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 112021211221 - 2¹ = 112021211219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112021211195 and 112021211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112021211261) 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, 76621165 + ... + 76622626.

It is an arithmetic number, because the mean of its divisors is an integer number (15171135408).

Almost surely, 2^112021211221 is an apocalyptic number.

It is an amenable number.

112021211221 is a deficient number, since it is larger than the sum of its proper divisors (9347872043).

112021211221 is a wasteful number, since it uses less digits than its factorization.

112021211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153243851.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112021211221 its reverse (122112120211), we get a palindrome (234133331432).

The spelling of 112021211221 in words is "one hundred twelve billion, twenty-one million, two hundred eleven thousand, two hundred twenty-one".