20221200112211 has 4 divisors (see below), whose sum is σ = 23109942985392. Its totient is φ = 17332457239032.

The previous prime is 20221200112153. The next prime is 20221200112249. The reversal of 20221200112211 is 11221100212202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20221200112211 - 2³⁰ = 20220126370387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20221200112211.

It is not an unprimeable number, because it can be changed into a prime (20221200112511) 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, 1444371436580 + ... + 1444371436593.

It is an arithmetic number, because the mean of its divisors is an integer number (5777485746348).

Almost surely, 2^{20221200112211} is an apocalyptic number.

20221200112211 is a deficient number, since it is larger than the sum of its proper divisors (2888742873181).

20221200112211 is an equidigital number, since it uses as much as digits as its factorization.

20221200112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888742873180.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20221200112211 its reverse (11221100212202), we get a palindrome (31442300324413).

Subtracting from 20221200112211 its reverse (11221100212202), we obtain a palindrome (9000099900009).

The spelling of 20221200112211 in words is "twenty trillion, two hundred twenty-one billion, two hundred million, one hundred twelve thousand, two hundred eleven".