221001211110213 has 16 divisors (see below), whose sum is σ = 327448045166400. Its totient is φ = 147316661155440.

The previous prime is 221001211110161. The next prime is 221001211110257. The reversal of 221001211110213 is 312011112100122.

It is a happy number.

221001211110213 is a `hidden beast` number, since 221 + 0 + 0 + 121 + 1 + 110 + 213 = 666.

It is not a de Polignac number, because 221001211110213 - 2⁸ = 221001211109957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221001211114213) 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, 485312223 + ... + 485767388.

It is an arithmetic number, because the mean of its divisors is an integer number (20465502822900).

Almost surely, 2^{221001211110213} is an apocalyptic number.

It is an amenable number.

221001211110213 is a deficient number, since it is larger than the sum of its proper divisors (106446834056187).

221001211110213 is an equidigital number, since it uses as much as digits as its factorization.

221001211110213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971088049 (or 971088043 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 221001211110213 its reverse (312011112100122), we get a palindrome (533012323210335).

The spelling of 221001211110213 in words is "two hundred twenty-one trillion, one billion, two hundred eleven million, one hundred ten thousand, two hundred thirteen".