220211202221121 has 8 divisors (see below), whose sum is σ = 293650470024640. Its totient is φ = 146789701282512.

The previous prime is 220211202221119. The next prime is 220211202221149. The reversal of 220211202221121 is 121122202112022.

220211202221121 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 220211202221121 - 2¹ = 220211202221119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220211202221161) 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, 4441687306 + ... + 4441736883.

It is an arithmetic number, because the mean of its divisors is an integer number (36706308753080).

Almost surely, 2^{220211202221121} is an apocalyptic number.

It is an amenable number.

220211202221121 is a deficient number, since it is larger than the sum of its proper divisors (73439267803519).

220211202221121 is an equidigital number, since it uses as much as digits as its factorization.

220211202221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8883432455.

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

Adding to 220211202221121 its reverse (121122202112022), we get a palindrome (341333404333143).

The spelling of 220211202221121 in words is "two hundred twenty trillion, two hundred eleven billion, two hundred two million, two hundred twenty-one thousand, one hundred twenty-one".