212220211112001 has 24 divisors (see below), whose sum is σ = 317931304381600. Its totient is φ = 141463382280192.

The previous prime is 212220211111999. The next prime is 212220211112093. The reversal of 212220211112001 is 100211112022212.

212220211112001 is a `hidden beast` number, since 21 + 2 + 220 + 211 + 11 + 200 + 1 = 666.

It is not a de Polignac number, because 212220211112001 - 2¹ = 212220211111999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212220211012001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49667776 + ... + 53771073.

Almost surely, 2^{212220211112001} is an apocalyptic number.

It is an amenable number.

212220211112001 is a deficient number, since it is larger than the sum of its proper divisors (105711093269599).

212220211112001 is an equidigital number, since it uses as much as digits as its factorization.

212220211112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103447307 (or 103447295 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212220211112001 its reverse (100211112022212), we get a palindrome (312431323134213).

The spelling of 212220211112001 in words is "two hundred twelve trillion, two hundred twenty billion, two hundred eleven million, one hundred twelve thousand, one".