12101113980077 has 2 divisors, whose sum is σ = 12101113980078. Its totient is φ = 12101113980076.

The previous prime is 12101113980061. The next prime is 12101113980083. The reversal of 12101113980077 is 77008931110121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12015277285636 + 85836694441 = 3466306^2 + 292979^2 .

It is an emirp because it is prime and its reverse (77008931110121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12101113980077 - 2⁴ = 12101113980061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12101113980037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050556990038 + 6050556990039.

It is an arithmetic number, because the mean of its divisors is an integer number (6050556990039).

Almost surely, 2^{12101113980077} is an apocalyptic number.

It is an amenable number.

12101113980077 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101113980077 is an equidigital number, since it uses as much as digits as its factorization.

12101113980077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 41.

The spelling of 12101113980077 in words is "twelve trillion, one hundred one billion, one hundred thirteen million, nine hundred eighty thousand, seventy-seven".