20221102211 has 4 divisors (see below), whose sum is σ = 21100280592. Its totient is φ = 19341923832.

The previous prime is 20221102177. The next prime is 20221102261. The reversal of 20221102211 is 11220112202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20221102211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20221102261) 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, 439589156 + ... + 439589201.

It is an arithmetic number, because the mean of its divisors is an integer number (5275070148).

Almost surely, 2^20221102211 is an apocalyptic number.

20221102211 is a deficient number, since it is larger than the sum of its proper divisors (879178381).

20221102211 is an equidigital number, since it uses as much as digits as its factorization.

20221102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879178380.

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

Adding to 20221102211 its reverse (11220112202), we get a palindrome (31441214413).

Subtracting from 20221102211 its reverse (11220112202), we obtain a palindrome (9000990009).

The spelling of 20221102211 in words is "twenty billion, two hundred twenty-one million, one hundred two thousand, two hundred eleven".