112211220221 has 8 divisors (see below), whose sum is σ = 118826532864. Its totient is φ = 105597535680.

The previous prime is 112211220217. The next prime is 112211220239. The reversal of 112211220221 is 122022112211.

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 112211220221 - 2² = 112211220217 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 self number, because there is not a number n which added to its sum of digits gives 112211220221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112211220421) 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, 263675 + ... + 542168.

It is an arithmetic number, because the mean of its divisors is an integer number (14853316608).

Almost surely, 2^112211220221 is an apocalyptic number.

It is an amenable number.

112211220221 is a deficient number, since it is larger than the sum of its proper divisors (6615312643).

112211220221 is an equidigital number, since it uses as much as digits as its factorization.

112211220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814051.

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

Adding to 112211220221 its reverse (122022112211), we get a palindrome (234233332432).

The spelling of 112211220221 in words is "one hundred twelve billion, two hundred eleven million, two hundred twenty thousand, two hundred twenty-one".