10211200221 has 16 divisors (see below), whose sum is σ = 14386728960. Its totient is φ = 6429062640.

The previous prime is 10211200217. The next prime is 10211200253. The reversal of 10211200221 is 12200211201.

10211200221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10211200221 - 2² = 10211200217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10211200197 and 10211200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211200201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 931185 + ... + 942086.

It is an arithmetic number, because the mean of its divisors is an integer number (899170560).

Almost surely, 2^10211200221 is an apocalyptic number.

It is an amenable number.

10211200221 is a deficient number, since it is larger than the sum of its proper divisors (4175528739).

10211200221 is a wasteful number, since it uses less digits than its factorization.

10211200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873376.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10211200221 its reverse (12200211201), we get a palindrome (22411411422).

The spelling of 10211200221 in words is "ten billion, two hundred eleven million, two hundred thousand, two hundred twenty-one".