212221011201 has 32 divisors (see below), whose sum is σ = 307748093952. Its totient is φ = 129692249280.

The previous prime is 212221011173. The next prime is 212221011209. The reversal of 212221011201 is 102110122212.

It is not a de Polignac number, because 212221011201 - 2⁶ = 212221011137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212221011209) 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 31 ways as a sum of consecutive naturals, for example, 261310 + ... + 701943.

It is an arithmetic number, because the mean of its divisors is an integer number (9617127936).

Almost surely, 2^212221011201 is an apocalyptic number.

It is an amenable number.

212221011201 is a deficient number, since it is larger than the sum of its proper divisors (95527082751).

212221011201 is a wasteful number, since it uses less digits than its factorization.

212221011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963413.

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

Adding to 212221011201 its reverse (102110122212), we get a palindrome (314331133413).

The spelling of 212221011201 in words is "two hundred twelve billion, two hundred twenty-one million, eleven thousand, two hundred one".