201020000121201 has 16 divisors (see below), whose sum is σ = 282134166048000. Its totient is φ = 126959625431568.

The previous prime is 201020000121197. The next prime is 201020000121221. The reversal of 201020000121201 is 102121000020102.

It is not a de Polignac number, because 201020000121201 - 2² = 201020000121197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201020000121221) 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, 14961790 + ... + 25017896.

It is an arithmetic number, because the mean of its divisors is an integer number (17633385378000).

Almost surely, 2^{201020000121201} is an apocalyptic number.

It is an amenable number.

201020000121201 is a deficient number, since it is larger than the sum of its proper divisors (81114165926799).

201020000121201 is a wasteful number, since it uses less digits than its factorization.

201020000121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10406828.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201020000121201 its reverse (102121000020102), we get a palindrome (303141000141303).

The spelling of 201020000121201 in words is "two hundred one trillion, twenty billion, one hundred twenty-one thousand, two hundred one".