220200211121 has 4 divisors (see below), whose sum is σ = 240218412144. Its totient is φ = 200182010100.

The previous prime is 220200211097. The next prime is 220200211157. The reversal of 220200211121 is 121112002022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220200211121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220200211096 and 220200211105.

It is not an unprimeable number, because it can be changed into a prime (220200217121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10009100495 + ... + 10009100516.

It is an arithmetic number, because the mean of its divisors is an integer number (60054603036).

Almost surely, 2^220200211121 is an apocalyptic number.

It is an amenable number.

220200211121 is a deficient number, since it is larger than the sum of its proper divisors (20018201023).

220200211121 is a wasteful number, since it uses less digits than its factorization.

220200211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20018201022.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220200211121 its reverse (121112002022), we get a palindrome (341312213143).

The spelling of 220200211121 in words is "two hundred twenty billion, two hundred million, two hundred eleven thousand, one hundred twenty-one".