11121212001149 has 2 divisors, whose sum is σ = 11121212001150. Its totient is φ = 11121212001148.

The previous prime is 11121212001143. The next prime is 11121212001257. The reversal of 11121212001149 is 94110021212111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8736056085124 + 2385155916025 = 2955682^2 + 1544395^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121212001149 - 2²⁰ = 11121210952573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11121212001143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560606000574 + 5560606000575.

It is an arithmetic number, because the mean of its divisors is an integer number (5560606000575).

Almost surely, 2^{11121212001149} is an apocalyptic number.

It is an amenable number.

11121212001149 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121212001149 is an equidigital number, since it uses as much as digits as its factorization.

11121212001149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 11121212001149 in words is "eleven trillion, one hundred twenty-one billion, two hundred twelve million, one thousand, one hundred forty-nine".