101011000100489 has 2 divisors, whose sum is σ = 101011000100490. Its totient is φ = 101011000100488.

The previous prime is 101011000100431. The next prime is 101011000100503. The reversal of 101011000100489 is 984001000110101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88836902160889 + 12174097939600 = 9425333^2 + 3489140^2 .

It is a cyclic number.

It is not a de Polignac number, because 101011000100489 - 2¹² = 101011000096393 is a prime.

It is not a weakly prime, because it can be changed into another prime (101011000100429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505500050244 + 50505500050245.

It is an arithmetic number, because the mean of its divisors is an integer number (50505500050245).

Almost surely, 2^{101011000100489} is an apocalyptic number.

It is an amenable number.

101011000100489 is a deficient number, since it is larger than the sum of its proper divisors (1).

101011000100489 is an equidigital number, since it uses as much as digits as its factorization.

101011000100489 is an evil number, because the sum of its binary digits is even.

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

The spelling of 101011000100489 in words is "one hundred one trillion, eleven billion, one hundred thousand, four hundred eighty-nine".