1111101149 has 2 divisors, whose sum is σ = 1111101150. Its totient is φ = 1111101148.

The previous prime is 1111101143. The next prime is 1111101217. The reversal of 1111101149 is 9411011111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1109556100 + 1545049 = 33310^2 + 1243^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111101149 - 2²⁴ = 1094323933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111101149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111101143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555550574 + 555550575.

It is an arithmetic number, because the mean of its divisors is an integer number (555550575).

Almost surely, 2^1111101149 is an apocalyptic number.

It is an amenable number.

1111101149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111101149 is an equidigital number, since it uses as much as digits as its factorization.

1111101149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 20.

The square root of 1111101149 is about 33333.1839013317. The cubic root of 1111101149 is about 1035.7410731825.

The spelling of 1111101149 in words is "one billion, one hundred eleven million, one hundred one thousand, one hundred forty-nine".