211010010202221 has 8 divisors (see below), whose sum is σ = 281429259291264. Its totient is φ = 140632050624000.

The previous prime is 211010010202213. The next prime is 211010010202223. The reversal of 211010010202221 is 122202010010112.

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

It is not a de Polignac number, because 211010010202221 - 2³ = 211010010202213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211010010202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211010010202223) 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, 10322365780 + ... + 10322386221.

It is an arithmetic number, because the mean of its divisors is an integer number (35178657411408).

Almost surely, 2^{211010010202221} is an apocalyptic number.

It is an amenable number.

211010010202221 is a deficient number, since it is larger than the sum of its proper divisors (70419249089043).

211010010202221 is a wasteful number, since it uses less digits than its factorization.

211010010202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20644755411.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211010010202221 its reverse (122202010010112), we get a palindrome (333212020212333).

The spelling of 211010010202221 in words is "two hundred eleven trillion, ten billion, ten million, two hundred two thousand, two hundred twenty-one".