212221200111201 has 32 divisors (see below), whose sum is σ = 331319652445440. Its totient is φ = 133989565248000.

The previous prime is 212221200111169. The next prime is 212221200111209. The reversal of 212221200111201 is 102111002122212.

212221200111201 is a `hidden beast` number, since 212 + 22 + 120 + 0 + 111 + 201 = 666.

It is not a de Polignac number, because 212221200111201 - 2⁵ = 212221200111169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212221200111209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1691724720 + ... + 1691850161.

It is an arithmetic number, because the mean of its divisors is an integer number (10353739138920).

Almost surely, 2^{212221200111201} is an apocalyptic number.

It is an amenable number.

212221200111201 is a deficient number, since it is larger than the sum of its proper divisors (119098452334239).

212221200111201 is a wasteful number, since it uses less digits than its factorization.

212221200111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3383575014 (or 3383575008 counting only the distinct ones).

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

Adding to 212221200111201 its reverse (102111002122212), we get a palindrome (314332202233413).

The spelling of 212221200111201 in words is "two hundred twelve trillion, two hundred twenty-one billion, two hundred million, one hundred eleven thousand, two hundred one".