211320103221300 has 72 divisors (see below), whose sum is σ = 611427658312800. Its totient is φ = 56351275483520.

The previous prime is 211320103221083. The next prime is 211320103221301. The reversal of 211320103221300 is 3122301023112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211320103221301) 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 23 ways as a sum of consecutive naturals, for example, 17999206 + ... + 27324194.

It is an arithmetic number, because the mean of its divisors is an integer number (8492050809900).

Almost surely, 2^{211320103221300} is an apocalyptic number.

211320103221300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211320103221300 is an abundant number, since it is smaller than the sum of its proper divisors (400107555091500).

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

211320103221300 is a wasteful number, since it uses less digits than its factorization.

211320103221300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9400545 (or 9400538 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 211320103221300 its reverse (3122301023112), we get a palindrome (214442404244412).

The spelling of 211320103221300 in words is "two hundred eleven trillion, three hundred twenty billion, one hundred three million, two hundred twenty-one thousand, three hundred".