21022101200200 has 48 divisors (see below), whose sum is σ = 48911322600000. Its totient is φ = 8402829760320.

The previous prime is 21022101200141. The next prime is 21022101200239. The reversal of 21022101200200 is 200210122012.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37286500 + ... + 37846099.

It is an arithmetic number, because the mean of its divisors is an integer number (1018985887500).

Almost surely, 2^{21022101200200} is an apocalyptic number.

21022101200200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21022101200200 is an abundant number, since it is smaller than the sum of its proper divisors (27889221399800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21022101200200 is a wasteful number, since it uses less digits than its factorization.

21022101200200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75134014 (or 75134005 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 21022101200200 its reverse (200210122012), we get a palindrome (21222311322212).

The spelling of 21022101200200 in words is "twenty-one trillion, twenty-two billion, one hundred one million, two hundred thousand, two hundred".