221010020201211 has 16 divisors (see below), whose sum is σ = 296164854528000. Its totient is φ = 146597619788928.

The previous prime is 221010020201207. The next prime is 221010020201227. The reversal of 221010020201211 is 112102020010122.

It is not a de Polignac number, because 221010020201211 - 2² = 221010020201207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221010020201611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42129955 + ... + 47084531.

It is an arithmetic number, because the mean of its divisors is an integer number (18510303408000).

Almost surely, 2^{221010020201211} is an apocalyptic number.

221010020201211 is a deficient number, since it is larger than the sum of its proper divisors (75154834326789).

221010020201211 is a wasteful number, since it uses less digits than its factorization.

221010020201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5029498.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221010020201211 its reverse (112102020010122), we get a palindrome (333112040211333).

The spelling of 221010020201211 in words is "two hundred twenty-one trillion, ten billion, twenty million, two hundred one thousand, two hundred eleven".