212211100001001 has 8 divisors (see below), whose sum is σ = 292075492474624. Its totient is φ = 136910387097360.

The previous prime is 212211100000993. The next prime is 212211100001029. The reversal of 212211100001001 is 100100001112212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212211100001001 - 2³ = 212211100000993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212211100001501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1140919892386 + ... + 1140919892571.

It is an arithmetic number, because the mean of its divisors is an integer number (36509436559328).

Almost surely, 2^{212211100001001} is an apocalyptic number.

It is an amenable number.

212211100001001 is a deficient number, since it is larger than the sum of its proper divisors (79864392473623).

212211100001001 is a wasteful number, since it uses less digits than its factorization.

212211100001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281839784991.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212211100001001 its reverse (100100001112212), we get a palindrome (312311101113213).

The spelling of 212211100001001 in words is "two hundred twelve trillion, two hundred eleven billion, one hundred million, one thousand, one".