21022110210200 has 48 divisors (see below), whose sum is σ = 53319715902360. Its totient is φ = 7644403712000.

The previous prime is 21022110210193. The next prime is 21022110210209. The reversal of 21022110210200 is 201201122012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022110210209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4777750121 + ... + 4777754520.

Almost surely, 2^{21022110210200} is an apocalyptic number.

21022110210200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21022110210200 is an abundant number, since it is smaller than the sum of its proper divisors (32297605692160).

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

21022110210200 is a wasteful number, since it uses less digits than its factorization.

21022110210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9555504668 (or 9555504659 counting only the distinct ones).

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

Adding to 21022110210200 its reverse (201201122012), we get a palindrome (21223311332212).

The spelling of 21022110210200 in words is "twenty-one trillion, twenty-two billion, one hundred ten million, two hundred ten thousand, two hundred".