201201210210101 has 32 divisors (see below), whose sum is σ = 222242764262400. Its totient is φ = 181298220554880.

The previous prime is 201201210210097. The next prime is 201201210210151. The reversal of 201201210210101 is 101012012102102.

It is a cyclic number.

It is not a de Polignac number, because 201201210210101 - 2² = 201201210210097 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 (201201210210151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3020234945 + ... + 3020301561.

It is an arithmetic number, because the mean of its divisors is an integer number (6945086383200).

Almost surely, 2^{201201210210101} is an apocalyptic number.

It is an amenable number.

201201210210101 is a deficient number, since it is larger than the sum of its proper divisors (21041554052299).

201201210210101 is a wasteful number, since it uses less digits than its factorization.

201201210210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105449.

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

Adding to 201201210210101 its reverse (101012012102102), we get a palindrome (302213222312203).

The spelling of 201201210210101 in words is "two hundred one trillion, two hundred one billion, two hundred ten million, two hundred ten thousand, one hundred one".