222001001211 has 16 divisors (see below), whose sum is σ = 323289146880. Its totient is φ = 134388311520.

The previous prime is 222001001207. The next prime is 222001001221. The reversal of 222001001211 is 112100100222.

It is not a de Polignac number, because 222001001211 - 2² = 222001001207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222001001221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3915171 + ... + 3971468.

It is an arithmetic number, because the mean of its divisors is an integer number (20205571680).

Almost surely, 2^222001001211 is an apocalyptic number.

222001001211 is a deficient number, since it is larger than the sum of its proper divisors (101288145669).

222001001211 is a wasteful number, since it uses less digits than its factorization.

222001001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7887506.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 222001001211 its reverse (112100100222), we get a palindrome (334101101433).

The spelling of 222001001211 in words is "two hundred twenty-two billion, one million, one thousand, two hundred eleven".