11112000001001 has 2 divisors, whose sum is σ = 11112000001002. Its totient is φ = 11112000001000.

The previous prime is 11112000000989. The next prime is 11112000001013. The reversal of 11112000001001 is 10010000021111.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (11112000000989) and next prime (11112000001013).

It can be written as a sum of positive squares in only one way, i.e., 11050644711001 + 61355290000 = 3324251^2 + 247700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11112000001001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11112000001001.

It is not a weakly prime, because it can be changed into another prime (11112000001051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556000000500 + 5556000000501.

It is an arithmetic number, because the mean of its divisors is an integer number (5556000000501).

Almost surely, 2^{11112000001001} is an apocalyptic number.

It is an amenable number.

11112000001001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112000001001 is an equidigital number, since it uses as much as digits as its factorization.

11112000001001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 11112000001001 its reverse (10010000021111), we get a palindrome (21122000022112).

The spelling of 11112000001001 in words is "eleven trillion, one hundred twelve billion, one thousand, one".