210200110011221 has 8 divisors (see below), whose sum is σ = 229313549685600. Its totient is φ = 191087393464240.

The previous prime is 210200110011193. The next prime is 210200110011253. The reversal of 210200110011221 is 122110011002012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210200110011221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210200110011196 and 210200110011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210200110811221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180173966 + ... + 181336863.

It is an arithmetic number, because the mean of its divisors is an integer number (28664193710700).

Almost surely, 2^{210200110011221} is an apocalyptic number.

It is an amenable number.

210200110011221 is a deficient number, since it is larger than the sum of its proper divisors (19113439674379).

210200110011221 is a wasteful number, since it uses less digits than its factorization.

210200110011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361563699.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210200110011221 its reverse (122110011002012), we get a palindrome (332310121013233).

The spelling of 210200110011221 in words is "two hundred ten trillion, two hundred billion, one hundred ten million, eleven thousand, two hundred twenty-one".