12100110001157 has 2 divisors, whose sum is σ = 12100110001158. Its totient is φ = 12100110001156.

The previous prime is 12100110001121. The next prime is 12100110001169. The reversal of 12100110001157 is 75110001100121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10211865751201 + 1888244249956 = 3195601^2 + 1374134^2 .

It is a cyclic number.

It is not a de Polignac number, because 12100110001157 - 2¹² = 12100109997061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12100110001457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050055000578 + 6050055000579.

It is an arithmetic number, because the mean of its divisors is an integer number (6050055000579).

Almost surely, 2^{12100110001157} is an apocalyptic number.

It is an amenable number.

12100110001157 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100110001157 is an equidigital number, since it uses as much as digits as its factorization.

12100110001157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70, while the sum is 20.

Adding to 12100110001157 its reverse (75110001100121), we get a palindrome (87210111101278).

The spelling of 12100110001157 in words is "twelve trillion, one hundred billion, one hundred ten million, one thousand, one hundred fifty-seven".