212100201200101 has 16 divisors (see below), whose sum is σ = 225720014713600. Its totient is φ = 199017012737088.

The previous prime is 212100201199981. The next prime is 212100201200143. The reversal of 212100201200101 is 101002102001212.

It is a cyclic number.

It is not a de Polignac number, because 212100201200101 - 2⁷ = 212100201199973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212100201201101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 843624366 + ... + 843875743.

It is an arithmetic number, because the mean of its divisors is an integer number (14107500919600).

Almost surely, 2^{212100201200101} is an apocalyptic number.

It is an amenable number.

212100201200101 is a deficient number, since it is larger than the sum of its proper divisors (13619813513499).

212100201200101 is a wasteful number, since it uses less digits than its factorization.

212100201200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687500268.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212100201200101 its reverse (101002102001212), we get a palindrome (313102303201313).

The spelling of 212100201200101 in words is "two hundred twelve trillion, one hundred billion, two hundred one million, two hundred thousand, one hundred one".