201000010121077 has 2 divisors, whose sum is σ = 201000010121078. Its totient is φ = 201000010121076.

The previous prime is 201000010121047. The next prime is 201000010121083. The reversal of 201000010121077 is 770121010000102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194843463145956 + 6156546975121 = 13958634^2 + 2481239^2 .

It is a cyclic number.

It is not a de Polignac number, because 201000010121077 - 2³⁹ = 200450254307189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201000010121047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500005060538 + 100500005060539.

It is an arithmetic number, because the mean of its divisors is an integer number (100500005060539).

Almost surely, 2^{201000010121077} is an apocalyptic number.

It is an amenable number.

201000010121077 is a deficient number, since it is larger than the sum of its proper divisors (1).

201000010121077 is an equidigital number, since it uses as much as digits as its factorization.

201000010121077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196, while the sum is 22.

Adding to 201000010121077 its reverse (770121010000102), we get a palindrome (971121020121179).

The spelling of 201000010121077 in words is "two hundred one trillion, ten million, one hundred twenty-one thousand, seventy-seven".