211232002221320 has 64 divisors (see below), whose sum is σ = 483334556414400. Its totient is φ = 83059500453120.

The previous prime is 211232002221301. The next prime is 211232002221343. The reversal of 211232002221320 is 23122200232112.

It is a happy number.

It is an unprimeable number.

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, 169513982 + ... + 170755538.

It is an arithmetic number, because the mean of its divisors is an integer number (7552102443975).

Almost surely, 2^{211232002221320} is an apocalyptic number.

211232002221320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211232002221320 is an abundant number, since it is smaller than the sum of its proper divisors (272102554193080).

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

211232002221320 is a wasteful number, since it uses less digits than its factorization.

211232002221320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313718 (or 1313714 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 211232002221320 its reverse (23122200232112), we get a palindrome (234354202453432).

The spelling of 211232002221320 in words is "two hundred eleven trillion, two hundred thirty-two billion, two million, two hundred twenty-one thousand, three hundred twenty".