211022023300221 has 64 divisors (see below), whose sum is σ = 348215824281600. Its totient is φ = 110962545325056.

The previous prime is 211022023300199. The next prime is 211022023300229. The reversal of 211022023300221 is 122003320220112.

It is not a de Polignac number, because 211022023300221 - 2¹⁷ = 211022023169149 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 (211022023300229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3297801 + ... + 20806718.

It is an arithmetic number, because the mean of its divisors is an integer number (5440872254400).

Almost surely, 2^{211022023300221} is an apocalyptic number.

211022023300221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

211022023300221 is a deficient number, since it is larger than the sum of its proper divisors (137193800981379).

211022023300221 is a wasteful number, since it uses less digits than its factorization.

211022023300221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24105178.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 211022023300221 its reverse (122003320220112), we get a palindrome (333025343520333).

The spelling of 211022023300221 in words is "two hundred eleven trillion, twenty-two billion, twenty-three million, three hundred thousand, two hundred twenty-one".