201212101102001 has 16 divisors (see below), whose sum is σ = 219566489486400. Its totient is φ = 182868114247680.

The previous prime is 201212101101983. The next prime is 201212101102003. The reversal of 201212101102001 is 100201101212102.

201212101102001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201212101102001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201212101102003) 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, 884774630 + ... + 885002016.

It is an arithmetic number, because the mean of its divisors is an integer number (13722905592900).

Almost surely, 2^{201212101102001} is an apocalyptic number.

It is an amenable number.

201212101102001 is a deficient number, since it is larger than the sum of its proper divisors (18354388384399).

201212101102001 is a wasteful number, since it uses less digits than its factorization.

201212101102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249904.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201212101102001 its reverse (100201101212102), we get a palindrome (301413202314103).

The spelling of 201212101102001 in words is "two hundred one trillion, two hundred twelve billion, one hundred one million, one hundred two thousand, one".