12111010020149 has 2 divisors, whose sum is σ = 12111010020150. Its totient is φ = 12111010020148.

The previous prime is 12111010020047. The next prime is 12111010020157. The reversal of 12111010020149 is 94102001011121.

12111010020149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8187667188100 + 3923342832049 = 2861410^2 + 1980743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12111010020149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12111010029149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055505010074 + 6055505010075.

It is an arithmetic number, because the mean of its divisors is an integer number (6055505010075).

Almost surely, 2^{12111010020149} is an apocalyptic number.

It is an amenable number.

12111010020149 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111010020149 is an equidigital number, since it uses as much as digits as its factorization.

12111010020149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 12111010020149 in words is "twelve trillion, one hundred eleven billion, ten million, twenty thousand, one hundred forty-nine".