11101212021149 has 2 divisors, whose sum is σ = 11101212021150. Its totient is φ = 11101212021148.

The previous prime is 11101212021143. The next prime is 11101212021181. The reversal of 11101212021149 is 94112021210111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8792666049049 + 2308545972100 = 2965243^2 + 1519390^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101212021149 - 2²⁴ = 11101195243933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101212021143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550606010574 + 5550606010575.

It is an arithmetic number, because the mean of its divisors is an integer number (5550606010575).

Almost surely, 2^{11101212021149} is an apocalyptic number.

It is an amenable number.

11101212021149 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101212021149 is an equidigital number, since it uses as much as digits as its factorization.

11101212021149 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 11101212021149 in words is "eleven trillion, one hundred one billion, two hundred twelve million, twenty-one thousand, one hundred forty-nine".