212201011211001 has 16 divisors (see below), whose sum is σ = 283241822058240. Its totient is φ = 141313810279680.

The previous prime is 212201011210963. The next prime is 212201011211039. The reversal of 212201011211001 is 100112110102212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (212201011210963) and next prime (212201011211039).

It is not a de Polignac number, because 212201011211001 - 2¹⁰ = 212201011209977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212201011211801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16442416 + ... + 26358206.

It is an arithmetic number, because the mean of its divisors is an integer number (17702613878640).

Almost surely, 2^{212201011211001} is an apocalyptic number.

It is an amenable number.

212201011211001 is a deficient number, since it is larger than the sum of its proper divisors (71040810847239).

212201011211001 is a wasteful number, since it uses less digits than its factorization.

212201011211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9923536.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212201011211001 its reverse (100112110102212), we get a palindrome (312313121313213).

The spelling of 212201011211001 in words is "two hundred twelve trillion, two hundred one billion, eleven million, two hundred eleven thousand, one".