222021311021 has 8 divisors (see below), whose sum is σ = 233776039200. Its totient is φ = 210273522480.

The previous prime is 222021311009. The next prime is 222021311051. The reversal of 222021311021 is 120113120222.

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 222021311021 - 2³⁴ = 204841441837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222021311051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1669166 + ... + 1797263.

It is an arithmetic number, because the mean of its divisors is an integer number (29222004900).

Almost surely, 2^222021311021 is an apocalyptic number.

It is an amenable number.

222021311021 is a deficient number, since it is larger than the sum of its proper divisors (11754728179).

222021311021 is a wasteful number, since it uses less digits than its factorization.

222021311021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3469819.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 222021311021 its reverse (120113120222), we get a palindrome (342134431243).

The spelling of 222021311021 in words is "two hundred twenty-two billion, twenty-one million, three hundred eleven thousand, twenty-one".