201100202120201 has 8 divisors (see below), whose sum is σ = 203210129737800. Its totient is φ = 198992604630400.

The previous prime is 201100202120053. The next prime is 201100202120281. The reversal of 201100202120201 is 102021202001102.

It can be written as a sum of positive squares in 4 ways, for example, as 125227827394576 + 75872374725625 = 11190524^2 + 8710475^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201100202120201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201100202120281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582358436 + ... + 582703653.

It is an arithmetic number, because the mean of its divisors is an integer number (25401266217225).

Almost surely, 2^{201100202120201} is an apocalyptic number.

It is an amenable number.

201100202120201 is a deficient number, since it is larger than the sum of its proper divisors (2109927617599).

201100202120201 is a wasteful number, since it uses less digits than its factorization.

201100202120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165063899.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201100202120201 its reverse (102021202001102), we get a palindrome (303121404121303).

The spelling of 201100202120201 in words is "two hundred one trillion, one hundred billion, two hundred two million, one hundred twenty thousand, two hundred one".