201210112102101 has 16 divisors (see below), whose sum is σ = 274520507595840. Its totient is φ = 131019924873600.

The previous prime is 201210112102073. The next prime is 201210112102163. The reversal of 201210112102101 is 101201211012102.

It is a happy number.

It is not a de Polignac number, because 201210112102101 - 2¹⁰ = 201210112101077 is a prime.

It is a super-2 number, since 2×201210112102101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201210112104101) 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, 24878745 + ... + 31958913.

It is an arithmetic number, because the mean of its divisors is an integer number (17157531724740).

Almost surely, 2^{201210112102101} is an apocalyptic number.

It is an amenable number.

201210112102101 is a deficient number, since it is larger than the sum of its proper divisors (73310395493739).

201210112102101 is a wasteful number, since it uses less digits than its factorization.

201210112102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7300516.

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

Adding to 201210112102101 its reverse (101201211012102), we get a palindrome (302411323114203).

The spelling of 201210112102101 in words is "two hundred one trillion, two hundred ten billion, one hundred twelve million, one hundred two thousand, one hundred one".