200121210202141 has 2 divisors, whose sum is σ = 200121210202142. Its totient is φ = 200121210202140.

The previous prime is 200121210202099. The next prime is 200121210202253. The reversal of 200121210202141 is 141202012121002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196425242402041 + 3695967800100 = 14015179^2 + 1922490^2 .

It is a cyclic number.

It is not a de Polignac number, because 200121210202141 - 2⁷ = 200121210202013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200121210202741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100060605101070 + 100060605101071.

It is an arithmetic number, because the mean of its divisors is an integer number (100060605101071).

Almost surely, 2^{200121210202141} is an apocalyptic number.

It is an amenable number.

200121210202141 is a deficient number, since it is larger than the sum of its proper divisors (1).

200121210202141 is an equidigital number, since it uses as much as digits as its factorization.

200121210202141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 200121210202141 its reverse (141202012121002), we get a palindrome (341323222323143).

The spelling of 200121210202141 in words is "two hundred trillion, one hundred twenty-one billion, two hundred ten million, two hundred two thousand, one hundred forty-one".