101101010099489 has 2 divisors, whose sum is σ = 101101010099490. Its totient is φ = 101101010099488.

The previous prime is 101101010099473. The next prime is 101101010099581. The reversal of 101101010099489 is 984990010101101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100298382248464 + 802627851025 = 10014908^2 + 895895^2 .

It is a cyclic number.

It is not a de Polignac number, because 101101010099489 - 2⁴ = 101101010099473 is a prime.

It is a super-2 number, since 2×101101010099489² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101101010099449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50550505049744 + 50550505049745.

It is an arithmetic number, because the mean of its divisors is an integer number (50550505049745).

Almost surely, 2^{101101010099489} is an apocalyptic number.

It is an amenable number.

101101010099489 is a deficient number, since it is larger than the sum of its proper divisors (1).

101101010099489 is an equidigital number, since it uses as much as digits as its factorization.

101101010099489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 44.

The spelling of 101101010099489 in words is "one hundred one trillion, one hundred one billion, ten million, ninety-nine thousand, four hundred eighty-nine".