11000021121169 has 2 divisors, whose sum is σ = 11000021121170. Its totient is φ = 11000021121168.

The previous prime is 11000021121127. The next prime is 11000021121181. The reversal of 11000021121169 is 96112112000011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9377454681169 + 1622566440000 = 3062263^2 + 1273800^2 .

It is an emirp because it is prime and its reverse (96112112000011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11000021121169 - 2²¹ = 11000019024017 is a prime.

It is a super-2 number, since 2×11000021121169² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11000021121569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500010560584 + 5500010560585.

It is an arithmetic number, because the mean of its divisors is an integer number (5500010560585).

Almost surely, 2^{11000021121169} is an apocalyptic number.

It is an amenable number.

11000021121169 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000021121169 is an equidigital number, since it uses as much as digits as its factorization.

11000021121169 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 11000021121169 in words is "eleven trillion, twenty-one million, one hundred twenty-one thousand, one hundred sixty-nine".