112211021121 has 8 divisors (see below), whose sum is σ = 149616618720. Its totient is φ = 74806385472.

The previous prime is 112211021119. The next prime is 112211021141. The reversal of 112211021121 is 121120112211.

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 112211021121 - 2¹ = 112211021119 is a prime.

It is a super-2 number, since 2×112211021121² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112211021121.

It is not an unprimeable number, because it can be changed into a prime (112211021141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100950 + ... + 484368.

It is an arithmetic number, because the mean of its divisors is an integer number (18702077340).

Almost surely, 2^112211021121 is an apocalyptic number.

It is an amenable number.

112211021121 is a deficient number, since it is larger than the sum of its proper divisors (37405597599).

112211021121 is an equidigital number, since it uses as much as digits as its factorization.

112211021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480975.

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

Adding to 112211021121 its reverse (121120112211), we get a palindrome (233331133332).

The spelling of 112211021121 in words is "one hundred twelve billion, two hundred eleven million, twenty-one thousand, one hundred twenty-one".