20221120211 has 8 divisors (see below), whose sum is σ = 20458718544. Its totient is φ = 19984255200.

The previous prime is 20221120207. The next prime is 20221120217. The reversal of 20221120211 is 11202112202.

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 20221120211 - 2² = 20221120207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20221120217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127760 + ... + 238253.

It is an arithmetic number, because the mean of its divisors is an integer number (2557339818).

Almost surely, 2^20221120211 is an apocalyptic number.

20221120211 is a deficient number, since it is larger than the sum of its proper divisors (237598333).

20221120211 is a wasteful number, since it uses less digits than its factorization.

20221120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366661.

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

Adding to 20221120211 its reverse (11202112202), we get a palindrome (31423232413).

The spelling of 20221120211 in words is "twenty billion, two hundred twenty-one million, one hundred twenty thousand, two hundred eleven".