112110211221 has 8 divisors (see below), whose sum is σ = 152660713344. Its totient is φ = 73149924960.

The previous prime is 112110211211. The next prime is 112110211223. The reversal of 112110211221 is 122112011211.

It is a happy number.

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

It is not a de Polignac number, because 112110211221 - 2²² = 112106016917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112110211221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112110211223) 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, 397553800 + ... + 397554081.

It is an arithmetic number, because the mean of its divisors is an integer number (19082589168).

Almost surely, 2^112110211221 is an apocalyptic number.

It is an amenable number.

112110211221 is a deficient number, since it is larger than the sum of its proper divisors (40550502123).

112110211221 is an equidigital number, since it uses as much as digits as its factorization.

112110211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795107931.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 112110211221 its reverse (122112011211), we get a palindrome (234222222432).

The spelling of 112110211221 in words is "one hundred twelve billion, one hundred ten million, two hundred eleven thousand, two hundred twenty-one".