211022102221 has 8 divisors (see below), whose sum is σ = 241263422784. Its totient is φ = 180804608160.

The previous prime is 211022102191. The next prime is 211022102231. The reversal of 211022102221 is 122201220112.

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 211022102221 - 2¹³ = 211022094029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211022102195 and 211022102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211022102231) 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, 5937640 + ... + 5973073.

It is an arithmetic number, because the mean of its divisors is an integer number (30157927848).

Almost surely, 2^211022102221 is an apocalyptic number.

It is an amenable number.

211022102221 is a deficient number, since it is larger than the sum of its proper divisors (30241320563).

211022102221 is a wasteful number, since it uses less digits than its factorization.

211022102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11913251.

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

Adding to 211022102221 its reverse (122201220112), we get a palindrome (333223322333).

The spelling of 211022102221 in words is "two hundred eleven billion, twenty-two million, one hundred two thousand, two hundred twenty-one".