21113200202101 has 16 divisors (see below), whose sum is σ = 24472404633600. Its totient is φ = 17839820320560.

The previous prime is 21113200202077. The next prime is 21113200202123. The reversal of 21113200202101 is 10120200231112.

It is not a de Polignac number, because 21113200202101 - 2¹⁵ = 21113200169333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21113200202191) 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 15 ways as a sum of consecutive naturals, for example, 1067520 + ... + 6585286.

It is an arithmetic number, because the mean of its divisors is an integer number (1529525289600).

Almost surely, 2^{21113200202101} is an apocalyptic number.

It is an amenable number.

21113200202101 is a deficient number, since it is larger than the sum of its proper divisors (3359204431499).

21113200202101 is an equidigital number, since it uses as much as digits as its factorization.

21113200202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5525544.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 21113200202101 its reverse (10120200231112), we get a palindrome (31233400433213).

The spelling of 21113200202101 in words is "twenty-one trillion, one hundred thirteen billion, two hundred million, two hundred two thousand, one hundred one".