210200001020221 has 36 divisors (see below), whose sum is σ = 224103513346336. Its totient is φ = 197106517349280.

The previous prime is 210200001020179. The next prime is 210200001020291. The reversal of 210200001020221 is 122020100002012.

It is a happy number.

It is not a de Polignac number, because 210200001020221 - 2²⁹ = 210199464149309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210200001020291) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 283675216 + ... + 284415238.

Almost surely, 2^{210200001020221} is an apocalyptic number.

It is an amenable number.

210200001020221 is a deficient number, since it is larger than the sum of its proper divisors (13903512326115).

210200001020221 is an frugal number, since it uses more digits than its factorization.

210200001020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740290 (or 740190 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 210200001020221 its reverse (122020100002012), we get a palindrome (332220101022233).

The spelling of 210200001020221 in words is "two hundred ten trillion, two hundred billion, one million, twenty thousand, two hundred twenty-one".