221102102000201 has 4 divisors (see below), whose sum is σ = 221924042900100. Its totient is φ = 220280161100304.

The previous prime is 221102102000191. The next prime is 221102102000237. The reversal of 221102102000201 is 102000201201122.

221102102000201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7200361855801 + 213901740144400 = 2683349^2 + 14625380^2 .

It is a cyclic number.

It is not a de Polignac number, because 221102102000201 - 2⁶ = 221102102000137 is a prime.

It is a super-2 number, since 2×221102102000201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221102102005201) 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, 410970449546 + ... + 410970450083.

It is an arithmetic number, because the mean of its divisors is an integer number (55481010725025).

Almost surely, 2^{221102102000201} is an apocalyptic number.

It is an amenable number.

221102102000201 is a deficient number, since it is larger than the sum of its proper divisors (821940899899).

221102102000201 is an equidigital number, since it uses as much as digits as its factorization.

221102102000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821940899898.

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

Adding to 221102102000201 its reverse (102000201201122), we get a palindrome (323102303201323).

The spelling of 221102102000201 in words is "two hundred twenty-one trillion, one hundred two billion, one hundred two million, two hundred one", and thus it is an aban number.