112021101221 has 8 divisors (see below), whose sum is σ = 115867437504. Its totient is φ = 108227818080.

The previous prime is 112021101211. The next prime is 112021101287. The reversal of 112021101221 is 122101120211.

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

It is not a de Polignac number, because 112021101221 - 2²² = 112016906917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112021101196 and 112021101205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112021101211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13258991 + ... + 13267436.

It is an arithmetic number, because the mean of its divisors is an integer number (14483429688).

Almost surely, 2^112021101221 is an apocalyptic number.

It is an amenable number.

112021101221 is a deficient number, since it is larger than the sum of its proper divisors (3846336283).

112021101221 is a wasteful number, since it uses less digits than its factorization.

112021101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26526571.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112021101221 its reverse (122101120211), we get a palindrome (234122221432).

The spelling of 112021101221 in words is "one hundred twelve billion, twenty-one million, one hundred one thousand, two hundred twenty-one".