21200211201022 has 64 divisors (see below), whose sum is σ = 37299388815360. Its totient is φ = 8848683648000.

The previous prime is 21200211201019. The next prime is 21200211201053. The reversal of 21200211201022 is 22010211200212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21200211200987 and 21200211201005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 981435022 + ... + 981456622.

It is an arithmetic number, because the mean of its divisors is an integer number (582802950240).

Almost surely, 2^{21200211201022} is an apocalyptic number.

21200211201022 is a deficient number, since it is larger than the sum of its proper divisors (16099177614338).

21200211201022 is a wasteful number, since it uses less digits than its factorization.

21200211201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28937.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 21200211201022 its reverse (22010211200212), we get a palindrome (43210422401234).

The spelling of 21200211201022 in words is "twenty-one trillion, two hundred billion, two hundred eleven million, two hundred one thousand, twenty-two".