21200201102 has 32 divisors (see below), whose sum is σ = 35040038400. Its totient is φ = 9575156448.

The previous prime is 21200201089. The next prime is 21200201111. The reversal of 21200201102 is 20110200212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238799 + ... + 315317.

It is an arithmetic number, because the mean of its divisors is an integer number (1095001200).

Almost surely, 2^21200201102 is an apocalyptic number.

21200201102 is a deficient number, since it is larger than the sum of its proper divisors (13839837298).

21200201102 is a wasteful number, since it uses less digits than its factorization.

21200201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76880.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 21200201102 its reverse (20110200212), we get a palindrome (41310401314).

The spelling of 21200201102 in words is "twenty-one billion, two hundred million, two hundred one thousand, one hundred two".