200221221960077 has 2 divisors, whose sum is σ = 200221221960078. Its totient is φ = 200221221960076.

The previous prime is 200221221960043. The next prime is 200221221960107. The reversal of 200221221960077 is 770069122122002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200187098265001 + 34123695076 = 14148749^2 + 184726^2 .

It is a cyclic number.

It is not a de Polignac number, because 200221221960077 - 2¹⁰ = 200221221959053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200221221960377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100110610980038 + 100110610980039.

It is an arithmetic number, because the mean of its divisors is an integer number (100110610980039).

Almost surely, 2^{200221221960077} is an apocalyptic number.

It is an amenable number.

200221221960077 is a deficient number, since it is larger than the sum of its proper divisors (1).

200221221960077 is an equidigital number, since it uses as much as digits as its factorization.

200221221960077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 200221221960077 in words is "two hundred trillion, two hundred twenty-one billion, two hundred twenty-one million, nine hundred sixty thousand, seventy-seven".