122020220221 has 8 divisors (see below), whose sum is σ = 131017569984. Its totient is φ = 113225058240.

The previous prime is 122020220213. The next prime is 122020220237. The reversal of 122020220221 is 122022020221.

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 122020220221 - 2³ = 122020220213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122020220195 and 122020220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020220281) 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, 50545695 + ... + 50548108.

It is an arithmetic number, because the mean of its divisors is an integer number (16377196248).

Almost surely, 2^122020220221 is an apocalyptic number.

It is an amenable number.

122020220221 is a deficient number, since it is larger than the sum of its proper divisors (8997349763).

122020220221 is a wasteful number, since it uses less digits than its factorization.

122020220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101093891.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 122020220221 its reverse (122022020221), we get a palindrome (244042240442).

The spelling of 122020220221 in words is "one hundred twenty-two billion, twenty million, two hundred twenty thousand, two hundred twenty-one".