111011200012169 has 2 divisors, whose sum is σ = 111011200012170. Its totient is φ = 111011200012168.

The previous prime is 111011200012079. The next prime is 111011200012387. The reversal of 111011200012169 is 961210002110111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97667996474944 + 13343203537225 = 9882712^2 + 3652835^2 .

It is a cyclic number.

It is not a de Polignac number, because 111011200012169 - 2³² = 111006905044873 is a prime.

It is a super-2 number, since 2×111011200012169² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111011200012469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505600006084 + 55505600006085.

It is an arithmetic number, because the mean of its divisors is an integer number (55505600006085).

Almost surely, 2^{111011200012169} is an apocalyptic number.

It is an amenable number.

111011200012169 is a deficient number, since it is larger than the sum of its proper divisors (1).

111011200012169 is an equidigital number, since it uses as much as digits as its factorization.

111011200012169 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 26.

The spelling of 111011200012169 in words is "one hundred eleven trillion, eleven billion, two hundred million, twelve thousand, one hundred sixty-nine".