10100222120077 has 2 divisors, whose sum is σ = 10100222120078. Its totient is φ = 10100222120076.

The previous prime is 10100222120069. The next prime is 10100222120089. The reversal of 10100222120077 is 77002122200101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9329243293161 + 770978826916 = 3054381^2 + 878054^2 .

It is a cyclic number.

It is not a de Polignac number, because 10100222120077 - 2³ = 10100222120069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10100222120017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050111060038 + 5050111060039.

It is an arithmetic number, because the mean of its divisors is an integer number (5050111060039).

Almost surely, 2^{10100222120077} is an apocalyptic number.

It is an amenable number.

10100222120077 is a deficient number, since it is larger than the sum of its proper divisors (1).

10100222120077 is an equidigital number, since it uses as much as digits as its factorization.

10100222120077 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 25.

Adding to 10100222120077 its reverse (77002122200101), we get a palindrome (87102344320178).

The spelling of 10100222120077 in words is "ten trillion, one hundred billion, two hundred twenty-two million, one hundred twenty thousand, seventy-seven".