221222210002011 has 48 divisors (see below), whose sum is σ = 331498273081248. Its totient is φ = 142044957504000.

The previous prime is 221222210001997. The next prime is 221222210002063. The reversal of 221222210002011 is 110200012222122.

It is a happy number.

221222210002011 is a `hidden beast` number, since 221 + 22 + 221 + 0 + 0 + 0 + 201 + 1 = 666.

It is not a de Polignac number, because 221222210002011 - 2²³ = 221222201613403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221222210002411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160314151 + ... + 161688191.

It is an arithmetic number, because the mean of its divisors is an integer number (6906214022526).

Almost surely, 2^{221222210002011} is an apocalyptic number.

221222210002011 is a deficient number, since it is larger than the sum of its proper divisors (110276063079237).

221222210002011 is a wasteful number, since it uses less digits than its factorization.

221222210002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378972 (or 1378969 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 221222210002011 its reverse (110200012222122), we get a palindrome (331422222224133).

The spelling of 221222210002011 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, two hundred ten million, two thousand, eleven".