1101122149 has 2 divisors, whose sum is σ = 1101122150. Its totient is φ = 1101122148.

The previous prime is 1101122137. The next prime is 1101122161. The reversal of 1101122149 is 9412211011.

It is a balanced prime because it is at equal distance from previous prime (1101122137) and next prime (1101122161).

It can be written as a sum of positive squares in only one way, i.e., 725925249 + 375196900 = 26943^2 + 19370^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101122149 - 2¹³ = 1101113957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101122549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550561074 + 550561075.

It is an arithmetic number, because the mean of its divisors is an integer number (550561075).

Almost surely, 2^1101122149 is an apocalyptic number.

It is an amenable number.

1101122149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101122149 is an equidigital number, since it uses as much as digits as its factorization.

1101122149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 1101122149 is about 33183.1606240274. The cubic root of 1101122149 is about 1032.6310180090.

The spelling of 1101122149 in words is "one billion, one hundred one million, one hundred twenty-two thousand, one hundred forty-nine".