221022102211 has 8 divisors (see below), whose sum is σ = 224708791824. Its totient is φ = 217337457120.

The previous prime is 221022102167. The next prime is 221022102239. The reversal of 221022102211 is 112201220122.

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 221022102211 - 2³¹ = 218874618563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221022102241) 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, 292345 + ... + 726298.

It is an arithmetic number, because the mean of its divisors is an integer number (28088598978).

Almost surely, 2^221022102211 is an apocalyptic number.

221022102211 is a deficient number, since it is larger than the sum of its proper divisors (3686689613).

221022102211 is a wasteful number, since it uses less digits than its factorization.

221022102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022261.

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

Adding to 221022102211 its reverse (112201220122), we get a palindrome (333223322333).

The spelling of 221022102211 in words is "two hundred twenty-one billion, twenty-two million, one hundred two thousand, two hundred eleven".