200121221101301 has 2 divisors, whose sum is σ = 200121221101302. Its totient is φ = 200121221101300.

The previous prime is 200121221101289. The next prime is 200121221101327. The reversal of 200121221101301 is 103101122121002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198042292562500 + 2078928538801 = 14072750^2 + 1441849^2 .

It is a cyclic number.

It is not a de Polignac number, because 200121221101301 - 2²² = 200121216906997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200121221101301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200121221101601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100060610550650 + 100060610550651.

It is an arithmetic number, because the mean of its divisors is an integer number (100060610550651).

Almost surely, 2^{200121221101301} is an apocalyptic number.

It is an amenable number.

200121221101301 is a deficient number, since it is larger than the sum of its proper divisors (1).

200121221101301 is an equidigital number, since it uses as much as digits as its factorization.

200121221101301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 200121221101301 its reverse (103101122121002), we get a palindrome (303222343222303).

The spelling of 200121221101301 in words is "two hundred trillion, one hundred twenty-one billion, two hundred twenty-one million, one hundred one thousand, three hundred one".