112220220121121 has 8 divisors (see below), whose sum is σ = 128252053853760. Its totient is φ = 96188479817328.

The previous prime is 112220220121117. The next prime is 112220220121123. The reversal of 112220220121121 is 121121022022211.

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 112220220121121 - 2² = 112220220121117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112220220121093 and 112220220121102.

It is not an unprimeable number, because it can be changed into a prime (112220220121123) 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, 20764166 + ... + 25604511.

It is an arithmetic number, because the mean of its divisors is an integer number (16031506731720).

Almost surely, 2^{112220220121121} is an apocalyptic number.

It is an amenable number.

112220220121121 is a deficient number, since it is larger than the sum of its proper divisors (16031833732639).

112220220121121 is an equidigital number, since it uses as much as digits as its factorization.

112220220121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46714423.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 112220220121121 its reverse (121121022022211), we get a palindrome (233341242143332).

The spelling of 112220220121121 in words is "one hundred twelve trillion, two hundred twenty billion, two hundred twenty million, one hundred twenty-one thousand, one hundred twenty-one".