202211440221 has 16 divisors (see below), whose sum is σ = 308158193664. Its totient is φ = 115539466224.

The previous prime is 202211440187. The next prime is 202211440303. The reversal of 202211440221 is 122044112202.

It is not a de Polignac number, because 202211440221 - 2¹⁷ = 202211309149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202211440621) 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 15 ways as a sum of consecutive naturals, for example, 159825 + ... + 655718.

It is an arithmetic number, because the mean of its divisors is an integer number (19259887104).

Almost surely, 2^202211440221 is an apocalyptic number.

202211440221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

202211440221 is a deficient number, since it is larger than the sum of its proper divisors (105946753443).

202211440221 is a wasteful number, since it uses less digits than its factorization.

202211440221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827360.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 202211440221 its reverse (122044112202), we get a palindrome (324255552423).

The spelling of 202211440221 in words is "two hundred two billion, two hundred eleven million, four hundred forty thousand, two hundred twenty-one".