10212102020177 has 2 divisors, whose sum is σ = 10212102020178. Its totient is φ = 10212102020176.

The previous prime is 10212102020077. The next prime is 10212102020257. The reversal of 10212102020177 is 77102020121201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9002544179776 + 1209557840401 = 3000424^2 + 1099799^2 .

It is a cyclic number.

It is not a de Polignac number, because 10212102020177 - 2⁸ = 10212102019921 is a prime.

It is a super-2 number, since 2×10212102020177² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10212102020077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106051010088 + 5106051010089.

It is an arithmetic number, because the mean of its divisors is an integer number (5106051010089).

Almost surely, 2^{10212102020177} is an apocalyptic number.

It is an amenable number.

10212102020177 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212102020177 is an equidigital number, since it uses as much as digits as its factorization.

10212102020177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784, while the sum is 26.

Adding to 10212102020177 its reverse (77102020121201), we get a palindrome (87314122141378).

The spelling of 10212102020177 in words is "ten trillion, two hundred twelve billion, one hundred two million, twenty thousand, one hundred seventy-seven".