10120020011177 has 2 divisors, whose sum is σ = 10120020011178. Its totient is φ = 10120020011176.

The previous prime is 10120020011161. The next prime is 10120020011201. The reversal of 10120020011177 is 77111002002101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7475171573776 + 2644848437401 = 2734076^2 + 1626299^2 .

It is an emirp because it is prime and its reverse (77111002002101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10120020011177 - 2⁴ = 10120020011161 is a prime.

It is not a weakly prime, because it can be changed into another prime (10120020011377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060010005588 + 5060010005589.

It is an arithmetic number, because the mean of its divisors is an integer number (5060010005589).

Almost surely, 2^{10120020011177} is an apocalyptic number.

It is an amenable number.

10120020011177 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120020011177 is an equidigital number, since it uses as much as digits as its factorization.

10120020011177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196, while the sum is 23.

Adding to 10120020011177 its reverse (77111002002101), we get a palindrome (87231022013278).

The spelling of 10120020011177 in words is "ten trillion, one hundred twenty billion, twenty million, eleven thousand, one hundred seventy-seven".