211300322123220 has 96 divisors (see below), whose sum is σ = 645433145997696. Its totient is φ = 51223788172800.

The previous prime is 211300322123203. The next prime is 211300322123299. The reversal of 211300322123220 is 22321223003112.

It is a super-2 number, since 2×211300322123220² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63845482 + ... + 67073438.

It is an arithmetic number, because the mean of its divisors is an integer number (6723261937476).

Almost surely, 2^{211300322123220} is an apocalyptic number.

211300322123220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211300322123220 is an abundant number, since it is smaller than the sum of its proper divisors (434132823874476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211300322123220 is a wasteful number, since it uses less digits than its factorization.

211300322123220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327161 (or 3327159 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 211300322123220 its reverse (22321223003112), we get a palindrome (233621545126332).

The spelling of 211300322123220 in words is "two hundred eleven trillion, three hundred billion, three hundred twenty-two million, one hundred twenty-three thousand, two hundred twenty".