112022222121 has 12 divisors (see below), whose sum is σ = 162054680580. Its totient is φ = 74568494880.

The previous prime is 112022222119. The next prime is 112022222153. The reversal of 112022222121 is 121222220211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 93841744896 + 18180477225 = 306336^2 + 134835^2 .

It is not a de Polignac number, because 112022222121 - 2¹ = 112022222119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112022222094 and 112022222103.

It is not an unprimeable number, because it can be changed into a prime (112022222101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9409266 + ... + 9421163.

It is an arithmetic number, because the mean of its divisors is an integer number (13504556715).

Almost surely, 2^112022222121 is an apocalyptic number.

It is an amenable number.

112022222121 is a deficient number, since it is larger than the sum of its proper divisors (50032458459).

112022222121 is a wasteful number, since it uses less digits than its factorization.

112022222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18831096 (or 18831093 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 112022222121 its reverse (121222220211), we get a palindrome (233244442332).

The spelling of 112022222121 in words is "one hundred twelve billion, twenty-two million, two hundred twenty-two thousand, one hundred twenty-one".