220220121000121 has 24 divisors (see below), whose sum is σ = 256640243069952. Its totient is φ = 188172734640000.

The previous prime is 220220120999993. The next prime is 220220121000127. The reversal of 220220121000121 is 121000121022022.

It is a happy number.

220220121000121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220220121000121 - 2⁷ = 220220120999993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220220121000095 and 220220121000104.

It is not an unprimeable number, because it can be changed into a prime (220220121000127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69732745 + ... + 72822358.

It is an arithmetic number, because the mean of its divisors is an integer number (10693343461248).

Almost surely, 2^{220220121000121} is an apocalyptic number.

It is an amenable number.

220220121000121 is a deficient number, since it is larger than the sum of its proper divisors (36420122069831).

220220121000121 is a wasteful number, since it uses less digits than its factorization.

220220121000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142555893 (or 142555882 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220220121000121 its reverse (121000121022022), we get a palindrome (341220242022143).

The spelling of 220220121000121 in words is "two hundred twenty trillion, two hundred twenty billion, one hundred twenty-one million, one hundred twenty-one", and thus it is an aban number.