221200211200011 has 24 divisors (see below), whose sum is σ = 310383570176400. Its totient is φ = 140108527749696.

The previous prime is 221200211199997. The next prime is 221200211200037. The reversal of 221200211200011 is 110002112002122.

It is not a de Polignac number, because 221200211200011 - 2²³ = 221200202811403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221200211200061) 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 23 ways as a sum of consecutive naturals, for example, 467490436 + ... + 467963361.

It is an arithmetic number, because the mean of its divisors is an integer number (12932648757350).

Almost surely, 2^{221200211200011} is an apocalyptic number.

221200211200011 is a deficient number, since it is larger than the sum of its proper divisors (89183358976389).

221200211200011 is a wasteful number, since it uses less digits than its factorization.

221200211200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935453995 (or 935453972 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221200211200011 its reverse (110002112002122), we get a palindrome (331202323202133).

The spelling of 221200211200011 in words is "two hundred twenty-one trillion, two hundred billion, two hundred eleven million, two hundred thousand, eleven".