11112112069 has 2 divisors, whose sum is σ = 11112112070. Its totient is φ = 11112112068.

The previous prime is 11112112009. The next prime is 11112112087. The reversal of 11112112069 is 96021121111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8549221444 + 2562890625 = 92462^2 + 50625^2 .

It is a cyclic number.

It is not a de Polignac number, because 11112112069 - 2¹¹ = 11112110021 is a prime.

It is a super-2 number, since 2×11112112069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11112112009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556056034 + 5556056035.

It is an arithmetic number, because the mean of its divisors is an integer number (5556056035).

Almost surely, 2^11112112069 is an apocalyptic number.

It is an amenable number.

11112112069 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112112069 is an equidigital number, since it uses as much as digits as its factorization.

11112112069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 25.

The spelling of 11112112069 in words is "eleven billion, one hundred twelve million, one hundred twelve thousand, sixty-nine".