100000201121201 has 4 divisors (see below), whose sum is σ = 100044903940212. Its totient is φ = 99955498302192.

The previous prime is 100000201121129. The next prime is 100000201121209. The reversal of 100000201121201 is 102121102000001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31616149734976 + 68384051386225 = 5622824^2 + 8269465^2 .

It is a cyclic number.

It is not a de Polignac number, because 100000201121201 - 2³⁰ = 99999127379377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100000201121209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22351406150 + ... + 22351410623.

It is an arithmetic number, because the mean of its divisors is an integer number (25011225985053).

Almost surely, 2^{100000201121201} is an apocalyptic number.

It is an amenable number.

100000201121201 is a deficient number, since it is larger than the sum of its proper divisors (44702819011).

100000201121201 is an equidigital number, since it uses as much as digits as its factorization.

100000201121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44702819010.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100000201121201 its reverse (102121102000001), we get a palindrome (202121303121202).

The spelling of 100000201121201 in words is "one hundred trillion, two hundred one million, one hundred twenty-one thousand, two hundred one".