10211120077 has 2 divisors, whose sum is σ = 10211120078. Its totient is φ = 10211120076.

The previous prime is 10211120053. The next prime is 10211120137. The reversal of 10211120077 is 77002111201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9634207716 + 576912361 = 98154^2 + 24019^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10211120077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10211129077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105560038 + 5105560039.

It is an arithmetic number, because the mean of its divisors is an integer number (5105560039).

Almost surely, 2^10211120077 is an apocalyptic number.

It is an amenable number.

10211120077 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211120077 is an equidigital number, since it uses as much as digits as its factorization.

10211120077 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 10211120077 its reverse (77002111201), we get a palindrome (87213231278).

The spelling of 10211120077 in words is "ten billion, two hundred eleven million, one hundred twenty thousand, seventy-seven".