111010100489 has 2 divisors, whose sum is σ = 111010100490. Its totient is φ = 111010100488.

The previous prime is 111010100483. The next prime is 111010100497. The reversal of 111010100489 is 984001010111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107004223225 + 4005877264 = 327115^2 + 63292^2 .

It is a cyclic number.

It is not a de Polignac number, because 111010100489 - 2²⁰ = 111009051913 is a prime.

It is not a weakly prime, because it can be changed into another prime (111010100483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505050244 + 55505050245.

It is an arithmetic number, because the mean of its divisors is an integer number (55505050245).

Almost surely, 2^111010100489 is an apocalyptic number.

It is an amenable number.

111010100489 is a deficient number, since it is larger than the sum of its proper divisors (1).

111010100489 is an equidigital number, since it uses as much as digits as its factorization.

111010100489 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 111010100489 in words is "one hundred eleven billion, ten million, one hundred thousand, four hundred eighty-nine".