211321222100230 has 32 divisors (see below), whose sum is σ = 414964505184768. Its totient is φ = 76842882789600.

The previous prime is 211321222100213. The next prime is 211321222100239. The reversal of 211321222100230 is 32001222123112.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211321222100239) 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 15 ways as a sum of consecutive naturals, for example, 7871406 + ... + 22013665.

It is an arithmetic number, because the mean of its divisors is an integer number (12967640787024).

Almost surely, 2^{211321222100230} is an apocalyptic number.

211321222100230 is a deficient number, since it is larger than the sum of its proper divisors (203643283084538).

211321222100230 is a wasteful number, since it uses less digits than its factorization.

211321222100230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29949372.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 211321222100230 its reverse (32001222123112), we get a palindrome (243322444223342).

The spelling of 211321222100230 in words is "two hundred eleven trillion, three hundred twenty-one billion, two hundred twenty-two million, one hundred thousand, two hundred thirty".