20220212211 has 4 divisors (see below), whose sum is σ = 26960282952. Its totient is φ = 13480141472.

The previous prime is 20220212189. The next prime is 20220212263. The reversal of 20220212211 is 11221202202.

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 20220212211 - 2⁷ = 20220212083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20220212911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3370035366 + ... + 3370035371.

It is an arithmetic number, because the mean of its divisors is an integer number (6740070738).

Almost surely, 2^20220212211 is an apocalyptic number.

20220212211 is a deficient number, since it is larger than the sum of its proper divisors (6740070741).

20220212211 is an equidigital number, since it uses as much as digits as its factorization.

20220212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6740070740.

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

Adding to 20220212211 its reverse (11221202202), we get a palindrome (31441414413).

The spelling of 20220212211 in words is "twenty billion, two hundred twenty million, two hundred twelve thousand, two hundred eleven".