210000101202221 has 16 divisors (see below), whose sum is σ = 229311584506368. Its totient is φ = 190725394906800.

The previous prime is 210000101202217. The next prime is 210000101202223. The reversal of 210000101202221 is 122202101000012.

It is a cyclic number.

It is not a de Polignac number, because 210000101202221 - 2² = 210000101202217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210000101202196 and 210000101202205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210000101202223) 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, 267025640 + ... + 267810926.

It is an arithmetic number, because the mean of its divisors is an integer number (14331974031648).

Almost surely, 2^{210000101202221} is an apocalyptic number.

It is an amenable number.

210000101202221 is a deficient number, since it is larger than the sum of its proper divisors (19311483304147).

210000101202221 is a wasteful number, since it uses less digits than its factorization.

210000101202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808672.

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

Adding to 210000101202221 its reverse (122202101000012), we get a palindrome (332202202202233).

The spelling of 210000101202221 in words is "two hundred ten trillion, one hundred one million, two hundred two thousand, two hundred twenty-one".