200210122099961 has 2 divisors, whose sum is σ = 200210122099962. Its totient is φ = 200210122099960.

The previous prime is 200210122099913. The next prime is 200210122099979. The reversal of 200210122099961 is 169990221012002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192757986480361 + 7452135619600 = 13883731^2 + 2729860^2 .

It is a cyclic number.

It is not a de Polignac number, because 200210122099961 - 2⁴⁶ = 129841377922297 is a prime.

It is not a weakly prime, because it can be changed into another prime (200210122099991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100105061049980 + 100105061049981.

It is an arithmetic number, because the mean of its divisors is an integer number (100105061049981).

Almost surely, 2^{200210122099961} is an apocalyptic number.

It is an amenable number.

200210122099961 is a deficient number, since it is larger than the sum of its proper divisors (1).

200210122099961 is an equidigital number, since it uses as much as digits as its factorization.

200210122099961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 44.

The spelling of 200210122099961 in words is "two hundred trillion, two hundred ten billion, one hundred twenty-two million, ninety-nine thousand, nine hundred sixty-one".