210011202020221 has 8 divisors (see below), whose sum is σ = 252645055062080. Its totient is φ = 170535412166688.

The previous prime is 210011202020203. The next prime is 210011202020231. The reversal of 210011202020221 is 122020202110012.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 210011202020221 - 2⁹ = 210011202019709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210011202020195 and 210011202020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210011202020231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789515796936 + ... + 789515797201.

It is an arithmetic number, because the mean of its divisors is an integer number (31580631882760).

Almost surely, 2^{210011202020221} is an apocalyptic number.

It is an amenable number.

210011202020221 is a deficient number, since it is larger than the sum of its proper divisors (42633853041859).

210011202020221 is a wasteful number, since it uses less digits than its factorization.

210011202020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579031594163.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210011202020221 its reverse (122020202110012), we get a palindrome (332031404130233).

The spelling of 210011202020221 in words is "two hundred ten trillion, eleven billion, two hundred two million, twenty thousand, two hundred twenty-one".