20220221211 has 8 divisors (see below), whose sum is σ = 28379257920. Its totient is φ = 12770665992.

The previous prime is 20220221201. The next prime is 20220221213. The reversal of 20220221211 is 11212202202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20220221211 - 2⁵ = 20220221179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20220221213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177370305 + ... + 177370418.

It is an arithmetic number, because the mean of its divisors is an integer number (3547407240).

Almost surely, 2^20220221211 is an apocalyptic number.

20220221211 is a deficient number, since it is larger than the sum of its proper divisors (8159036709).

20220221211 is a wasteful number, since it uses less digits than its factorization.

20220221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354740745.

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

Adding to 20220221211 its reverse (11212202202), we get a palindrome (31432423413).

The spelling of 20220221211 in words is "twenty billion, two hundred twenty million, two hundred twenty-one thousand, two hundred eleven".