11010212121169 has 2 divisors, whose sum is σ = 11010212121170. Its totient is φ = 11010212121168.

The previous prime is 11010212121149. The next prime is 11010212121191. The reversal of 11010212121169 is 96112121201011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10203475826944 + 806736294225 = 3194288^2 + 898185^2 .

It is a cyclic number.

It is not a de Polignac number, because 11010212121169 - 2²¹ = 11010210024017 is a prime.

It is a super-2 number, since 2×11010212121169² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11010212121149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505106060584 + 5505106060585.

It is an arithmetic number, because the mean of its divisors is an integer number (5505106060585).

Almost surely, 2^{11010212121169} is an apocalyptic number.

It is an amenable number.

11010212121169 is a deficient number, since it is larger than the sum of its proper divisors (1).

11010212121169 is an equidigital number, since it uses as much as digits as its factorization.

11010212121169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 28.

The spelling of 11010212121169 in words is "eleven trillion, ten billion, two hundred twelve million, one hundred twenty-one thousand, one hundred sixty-nine".