222002001211 has 4 divisors (see below), whose sum is σ = 222544793800. Its totient is φ = 221459208624.

The previous prime is 222002001203. The next prime is 222002001251. The reversal of 222002001211 is 112100200222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222002001211 - 2³ = 222002001203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222002001191 and 222002001200.

It is not an unprimeable number, because it can be changed into a prime (222002001251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271395681 + ... + 271396498.

It is an arithmetic number, because the mean of its divisors is an integer number (55636198450).

Almost surely, 2^222002001211 is an apocalyptic number.

222002001211 is a deficient number, since it is larger than the sum of its proper divisors (542792589).

222002001211 is an equidigital number, since it uses as much as digits as its factorization.

222002001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542792588.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222002001211 its reverse (112100200222), we get a palindrome (334102201433).

The spelling of 222002001211 in words is "two hundred twenty-two billion, two million, one thousand, two hundred eleven".