222021020211 has 8 divisors (see below), whose sum is σ = 296031099840. Its totient is φ = 148012477032.

The previous prime is 222021020203. The next prime is 222021020213. The reversal of 222021020211 is 112020120222.

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

It is not a de Polignac number, because 222021020211 - 2³ = 222021020203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222021020213) 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, 11176 + ... + 666458.

It is an arithmetic number, because the mean of its divisors is an integer number (37003887480).

Almost surely, 2^222021020211 is an apocalyptic number.

222021020211 is a deficient number, since it is larger than the sum of its proper divisors (74010079629).

222021020211 is a wasteful number, since it uses less digits than its factorization.

222021020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768225.

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

Adding to 222021020211 its reverse (112020120222), we get a palindrome (334041140433).

The spelling of 222021020211 in words is "two hundred twenty-two billion, twenty-one million, twenty thousand, two hundred eleven".