21200201021110 has 16 divisors (see below), whose sum is σ = 38187638748000. Its totient is φ = 8474018872896.

The previous prime is 21200201021093. The next prime is 21200201021123. The reversal of 21200201021110 is 1112010200212.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 757677255 + ... + 757705234.

It is an arithmetic number, because the mean of its divisors is an integer number (2386727421750).

Almost surely, 2^{21200201021110} is an apocalyptic number.

21200201021110 is a deficient number, since it is larger than the sum of its proper divisors (16987437726890).

21200201021110 is a wasteful number, since it uses less digits than its factorization.

21200201021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515383895.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21200201021110 its reverse (1112010200212), we get a palindrome (22312211221322).

The spelling of 21200201021110 in words is "twenty-one trillion, two hundred billion, two hundred one million, twenty-one thousand, one hundred ten".