122020221022221 has 8 divisors (see below), whose sum is σ = 162705759440224. Its totient is φ = 81340748309520.

The previous prime is 122020221022213. The next prime is 122020221022243. The reversal of 122020221022221 is 122220122020221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122020221022221 - 2³ = 122020221022213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020221062221) 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, 1516379386 + ... + 1516459851.

It is an arithmetic number, because the mean of its divisors is an integer number (20338219930028).

Almost surely, 2^{122020221022221} is an apocalyptic number.

It is an amenable number.

122020221022221 is a deficient number, since it is larger than the sum of its proper divisors (40685538418003).

122020221022221 is a wasteful number, since it uses less digits than its factorization.

122020221022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3032852651.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 122020221022221 its reverse (122220122020221), we get a palindrome (244240343042442).

The spelling of 122020221022221 in words is "one hundred twenty-two trillion, twenty billion, two hundred twenty-one million, twenty-two thousand, two hundred twenty-one".