111010000009 has 2 divisors, whose sum is σ = 111010000010. Its totient is φ = 111010000008.

The previous prime is 111009999979. The next prime is 111010000067. The reversal of 111010000009 is 900000010111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93428035600 + 17581964409 = 305660^2 + 132597^2 .

It is an emirp because it is prime and its reverse (900000010111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111010000009 - 2¹³ = 111009991817 is a prime.

It is not a weakly prime, because it can be changed into another prime (111013000009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505000004 + 55505000005.

It is an arithmetic number, because the mean of its divisors is an integer number (55505000005).

Almost surely, 2^111010000009 is an apocalyptic number.

It is an amenable number.

111010000009 is a deficient number, since it is larger than the sum of its proper divisors (1).

111010000009 is an equidigital number, since it uses as much as digits as its factorization.

111010000009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 13.

The spelling of 111010000009 in words is "one hundred eleven billion, ten million, nine", and thus it is an aban number.