111110009999969 has 2 divisors, whose sum is σ = 111110009999970. Its totient is φ = 111110009999968.

The previous prime is 111110009999957. The next prime is 111110009999981. The reversal of 111110009999969 is 969999900011111.

It is a balanced prime because it is at equal distance from previous prime (111110009999957) and next prime (111110009999981).

It can be written as a sum of positive squares in only one way, i.e., 98933657971600 + 12176352028369 = 9946540^2 + 3489463^2 .

It is a cyclic number.

It is not a de Polignac number, because 111110009999969 - 2⁴ = 111110009999953 is a prime.

It is a super-2 number, since 2×111110009999969² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111110009599969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555004999984 + 55555004999985.

It is an arithmetic number, because the mean of its divisors is an integer number (55555004999985).

Almost surely, 2^{111110009999969} is an apocalyptic number.

It is an amenable number.

111110009999969 is a deficient number, since it is larger than the sum of its proper divisors (1).

111110009999969 is an equidigital number, since it uses as much as digits as its factorization.

111110009999969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3188646, while the sum is 65.

The spelling of 111110009999969 in words is "one hundred eleven trillion, one hundred ten billion, nine million, nine hundred ninety-nine thousand, nine hundred sixty-nine".