221122220002211 has 16 divisors (see below), whose sum is σ = 249062740896768. Its totient is φ = 194491088517600.

The previous prime is 221122220002207. The next prime is 221122220002237. The reversal of 221122220002211 is 112200022221122.

It is a cyclic number.

It is not a de Polignac number, because 221122220002211 - 2² = 221122220002207 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (221122220002511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72824876 + ... + 75800441.

It is an arithmetic number, because the mean of its divisors is an integer number (15566421306048).

Almost surely, 2^{221122220002211} is an apocalyptic number.

221122220002211 is a deficient number, since it is larger than the sum of its proper divisors (27940520894557).

221122220002211 is a wasteful number, since it uses less digits than its factorization.

221122220002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148629722.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 221122220002211 its reverse (112200022221122), we get a palindrome (333322242223333).

The spelling of 221122220002211 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, two hundred twenty million, two thousand, two hundred eleven".