212211011220001 has 8 divisors (see below), whose sum is σ = 216021690943200. Its totient is φ = 208407460927680.

The previous prime is 212211011219971. The next prime is 212211011220011. The reversal of 212211011220001 is 100022110112212.

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

It is a cyclic number.

It is not a de Polignac number, because 212211011220001 - 2¹⁵ = 212211011187233 is a prime.

It is a super-3 number, since 3×212211011220001³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212211011220011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1782297655 + ... + 1782416716.

It is an arithmetic number, because the mean of its divisors is an integer number (27002711367900).

Almost surely, 2^{212211011220001} is an apocalyptic number.

It is an amenable number.

212211011220001 is a deficient number, since it is larger than the sum of its proper divisors (3810679723199).

212211011220001 is a wasteful number, since it uses less digits than its factorization.

212211011220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564715439.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212211011220001 its reverse (100022110112212), we get a palindrome (312233121332213).

The spelling of 212211011220001 in words is "two hundred twelve trillion, two hundred eleven billion, eleven million, two hundred twenty thousand, one".