21113200102211 has 12 divisors (see below), whose sum is σ = 24667503207120. Its totient is φ = 18018002323440.

The previous prime is 21113200102201. The next prime is 21113200102217. The reversal of 21113200102211 is 11220100231112.

It is a happy number.

It is not a de Polignac number, because 21113200102211 - 2¹⁰ = 21113200101187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21113200102211.

It is not an unprimeable number, because it can be changed into a prime (21113200102217) 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 11 ways as a sum of consecutive naturals, for example, 940778375 + ... + 940800816.

It is an arithmetic number, because the mean of its divisors is an integer number (2055625267260).

Almost surely, 2^{21113200102211} is an apocalyptic number.

21113200102211 is a deficient number, since it is larger than the sum of its proper divisors (3554303104909).

21113200102211 is a wasteful number, since it uses less digits than its factorization.

21113200102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881579434 (or 1881579427 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 21113200102211 its reverse (11220100231112), we get a palindrome (32333300333323).

The spelling of 21113200102211 in words is "twenty-one trillion, one hundred thirteen billion, two hundred million, one hundred two thousand, two hundred eleven".