122120222221 has 8 divisors (see below), whose sum is σ = 122345721440. Its totient is φ = 121894887312.

The previous prime is 122120222207. The next prime is 122120222233. The reversal of 122120222221 is 122222021221.

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 122120222221 - 2¹⁹ = 122119697933 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 (122120222201) 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, 1499671 + ... + 1579003.

It is an arithmetic number, because the mean of its divisors is an integer number (15293215180).

Almost surely, 2^122120222221 is an apocalyptic number.

It is an amenable number.

122120222221 is a deficient number, since it is larger than the sum of its proper divisors (225499219).

122120222221 is an equidigital number, since it uses as much as digits as its factorization.

122120222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82155.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122120222221 its reverse (122222021221), we get a palindrome (244342243442).

The spelling of 122120222221 in words is "one hundred twenty-two billion, one hundred twenty million, two hundred twenty-two thousand, two hundred twenty-one".