21000200111102 has 16 divisors (see below), whose sum is σ = 33203079772800. Its totient is φ = 9934002489240.

The previous prime is 21000200111039. The next prime is 21000200111123. The reversal of 21000200111102 is 20111100200012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373880474 + ... + 373936637.

It is an arithmetic number, because the mean of its divisors is an integer number (2075192485800).

Almost surely, 2^{21000200111102} is an apocalyptic number.

21000200111102 is a deficient number, since it is larger than the sum of its proper divisors (12202879661698).

21000200111102 is a wasteful number, since it uses less digits than its factorization.

21000200111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747817871.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 21000200111102 its reverse (20111100200012), we get a palindrome (41111300311114).

The spelling of 21000200111102 in words is "twenty-one trillion, two hundred million, one hundred eleven thousand, one hundred two".