1101100101149 has 2 divisors, whose sum is σ = 1101100101150. Its totient is φ = 1101100101148.

The previous prime is 1101100101121. The next prime is 1101100101187. The reversal of 1101100101149 is 9411010011011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1057437909124 + 43662192025 = 1028318^2 + 208955^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101100101149 - 2²⁴ = 1101083323933 is a prime.

It is a super-2 number, since 2×1101100101149² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1101100101149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101100101109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550550050574 + 550550050575.

It is an arithmetic number, because the mean of its divisors is an integer number (550550050575).

Almost surely, 2^{1101100101149} is an apocalyptic number.

It is an amenable number.

1101100101149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101100101149 is an equidigital number, since it uses as much as digits as its factorization.

1101100101149 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 spelling of 1101100101149 in words is "one trillion, one hundred one billion, one hundred million, one hundred one thousand, one hundred forty-nine".