220211222211121 has 8 divisors (see below), whose sum is σ = 221007182859200. Its totient is φ = 219415268572848.

The previous prime is 220211222211109. The next prime is 220211222211139. The reversal of 220211222211121 is 121112222112022.

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 220211222211121 - 2²⁵ = 220211188656689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220211222211092 and 220211222211101.

It is not an unprimeable number, because it can be changed into a prime (220211222211521) 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, 65901910 + ... + 69162736.

It is an arithmetic number, because the mean of its divisors is an integer number (27625897857400).

Almost surely, 2^{220211222211121} is an apocalyptic number.

It is an amenable number.

220211222211121 is a deficient number, since it is larger than the sum of its proper divisors (795960648079).

220211222211121 is a wasteful number, since it uses less digits than its factorization.

220211222211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504903.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 220211222211121 its reverse (121112222112022), we get a palindrome (341323444323143).

Subtracting from 220211222211121 its reverse (121112222112022), we obtain a palindrome (99099000099099).

The spelling of 220211222211121 in words is "two hundred twenty trillion, two hundred eleven billion, two hundred twenty-two million, two hundred eleven thousand, one hundred twenty-one".