121210200020201 has 8 divisors (see below), whose sum is σ = 121848015265704. Its totient is φ = 120572485632000.

The previous prime is 121210200020197. The next prime is 121210200020219. The reversal of 121210200020201 is 102020002012121.

It can be written as a sum of positive squares in 4 ways, for example, as 28986809923600 + 92223390096601 = 5383940^2 + 9603301^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 121210200020201 - 2² = 121210200020197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121210200020801) 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, 22803800 + ... + 27612201.

It is an arithmetic number, because the mean of its divisors is an integer number (15231001908213).

Almost surely, 2^{121210200020201} is an apocalyptic number.

It is an amenable number.

121210200020201 is a deficient number, since it is larger than the sum of its proper divisors (637815245503).

121210200020201 is a wasteful number, since it uses less digits than its factorization.

121210200020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50428651.

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

Adding to 121210200020201 its reverse (102020002012121), we get a palindrome (223230202032322).

The spelling of 121210200020201 in words is "one hundred twenty-one trillion, two hundred ten billion, two hundred million, twenty thousand, two hundred one".