222020021211 has 8 divisors (see below), whose sum is σ = 296178589200. Its totient is φ = 147937400352.

The previous prime is 222020021207. The next prime is 222020021227. The reversal of 222020021211 is 112120020222.

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

It is not a de Polignac number, because 222020021211 - 2² = 222020021207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222020021231) 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, 18979960 + ... + 18991653.

It is an arithmetic number, because the mean of its divisors is an integer number (37022323650).

Almost surely, 2^222020021211 is an apocalyptic number.

222020021211 is a deficient number, since it is larger than the sum of its proper divisors (74158567989).

222020021211 is a wasteful number, since it uses less digits than its factorization.

222020021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37973565.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222020021211 its reverse (112120020222), we get a palindrome (334140041433).

The spelling of 222020021211 in words is "two hundred twenty-two billion, twenty million, twenty-one thousand, two hundred eleven".