21101200211202 has 8 divisors (see below), whose sum is σ = 42202400422416. Its totient is φ = 7033733403732.

The previous prime is 21101200211183. The next prime is 21101200211209. The reversal of 21101200211202 is 20211200210112.

It is a sphenic number, since it is the product of 3 distinct primes.

21101200211202 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (21101200211209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1758433350928 + ... + 1758433350939.

It is an arithmetic number, because the mean of its divisors is an integer number (5275300052802).

Almost surely, 2^{21101200211202} is an apocalyptic number.

21101200211202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21101200211202 is a wasteful number, since it uses less digits than its factorization.

21101200211202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3516866701872.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 21101200211202 its reverse (20211200210112), we get a palindrome (41312400421314).

The spelling of 21101200211202 in words is "twenty-one trillion, one hundred one billion, two hundred million, two hundred eleven thousand, two hundred two".