20222201211 has 4 divisors (see below), whose sum is σ = 26962934952. Its totient is φ = 13481467472.

The previous prime is 20222201191. The next prime is 20222201221. The reversal of 20222201211 is 11210222202.

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 20222201211 - 2⁶ = 20222201147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20222201221) 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, 3370366866 + ... + 3370366871.

It is an arithmetic number, because the mean of its divisors is an integer number (6740733738).

Almost surely, 2^20222201211 is an apocalyptic number.

20222201211 is a deficient number, since it is larger than the sum of its proper divisors (6740733741).

20222201211 is an equidigital number, since it uses as much as digits as its factorization.

20222201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6740733740.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20222201211 its reverse (11210222202), we get a palindrome (31432423413).

The spelling of 20222201211 in words is "twenty billion, two hundred twenty-two million, two hundred one thousand, two hundred eleven".