122021120212221 has 8 divisors (see below), whose sum is σ = 162880339868704. Its totient is φ = 81254657015280.

The previous prime is 122021120212177. The next prime is 122021120212231. The reversal of 122021120212221 is 122212021120221.

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

It is not a de Polignac number, because 122021120212221 - 2²⁶ = 122021053103357 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 (122021120212231) 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, 23189111815 + ... + 23189117076.

It is an arithmetic number, because the mean of its divisors is an integer number (20360042483588).

Almost surely, 2^{122021120212221} is an apocalyptic number.

It is an amenable number.

122021120212221 is a deficient number, since it is larger than the sum of its proper divisors (40859219656483).

122021120212221 is an equidigital number, since it uses as much as digits as its factorization.

122021120212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46378229771.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122021120212221 its reverse (122212021120221), we get a palindrome (244233141332442).

The spelling of 122021120212221 in words is "one hundred twenty-two trillion, twenty-one billion, one hundred twenty million, two hundred twelve thousand, two hundred twenty-one".