21200100221102 has 32 divisors (see below), whose sum is σ = 36201449940480. Its totient is φ = 9216907967520.

The previous prime is 21200100221077. The next prime is 21200100221203. The reversal of 21200100221102 is 20112200100212.

It is a super-3 number, since 3×21200100221102³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7728524 + ... + 10105952.

It is an arithmetic number, because the mean of its divisors is an integer number (1131295310640).

Almost surely, 2^{21200100221102} is an apocalyptic number.

21200100221102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21200100221102 is a deficient number, since it is larger than the sum of its proper divisors (15001349719378).

21200100221102 is a wasteful number, since it uses less digits than its factorization.

21200100221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395088.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21200100221102 its reverse (20112200100212), we get a palindrome (41312300321314).

The spelling of 21200100221102 in words is "twenty-one trillion, two hundred billion, one hundred million, two hundred twenty-one thousand, one hundred two".