11121201192169 has 2 divisors, whose sum is σ = 11121201192170. Its totient is φ = 11121201192168.

The previous prime is 11121201192137. The next prime is 11121201192187. The reversal of 11121201192169 is 96129110212111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7602620571225 + 3518580620944 = 2757285^2 + 1875788^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121201192169 - 2⁵ = 11121201192137 is a prime.

It is a super-2 number, since 2×11121201192169² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11121201192869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560600596084 + 5560600596085.

It is an arithmetic number, because the mean of its divisors is an integer number (5560600596085).

Almost surely, 2^{11121201192169} is an apocalyptic number.

It is an amenable number.

11121201192169 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121201192169 is an equidigital number, since it uses as much as digits as its factorization.

11121201192169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 37.

The spelling of 11121201192169 in words is "eleven trillion, one hundred twenty-one billion, two hundred one million, one hundred ninety-two thousand, one hundred sixty-nine".