221102002030221 has 24 divisors (see below), whose sum is σ = 348780622934016. Its totient is φ = 134146393426080.

The previous prime is 221102002030201. The next prime is 221102002030241. The reversal of 221102002030221 is 122030200201122.

221102002030221 is a `hidden beast` number, since 2 + 211 + 0 + 200 + 2 + 0 + 30 + 221 = 666.

It is an interprime number because it is at equal distance from previous prime (221102002030201) and next prime (221102002030241).

It is not a de Polignac number, because 221102002030221 - 2³¹ = 221099854546573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221102002030194 and 221102002030203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221102002030201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13308165645 + ... + 13308182258.

It is an arithmetic number, because the mean of its divisors is an integer number (14532525955584).

Almost surely, 2^{221102002030221} is an apocalyptic number.

It is an amenable number.

221102002030221 is a deficient number, since it is larger than the sum of its proper divisors (127678620903795).

221102002030221 is a wasteful number, since it uses less digits than its factorization.

221102002030221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26616347993 (or 26616347990 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 221102002030221 its reverse (122030200201122), we get a palindrome (343132202231343).

The spelling of 221102002030221 in words is "two hundred twenty-one trillion, one hundred two billion, two million, thirty thousand, two hundred twenty-one".