11000010000121 has 2 divisors, whose sum is σ = 11000010000122. Its totient is φ = 11000010000120.

The previous prime is 11000010000113. The next prime is 11000010000137. The reversal of 11000010000121 is 12100001000011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6851410950400 + 4148599049721 = 2617520^2 + 2036811^2 .

It is an emirp because it is prime and its reverse (12100001000011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11000010000121 - 2³ = 11000010000113 is a prime.

It is not a weakly prime, because it can be changed into another prime (11000010007121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500005000060 + 5500005000061.

It is an arithmetic number, because the mean of its divisors is an integer number (5500005000061).

Almost surely, 2^{11000010000121} is an apocalyptic number.

It is an amenable number.

11000010000121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000010000121 is an equidigital number, since it uses as much as digits as its factorization.

11000010000121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 11000010000121 its reverse (12100001000011), we get a palindrome (23100011000132).

The spelling of 11000010000121 in words is "eleven trillion, ten million, one hundred twenty-one", and thus it is an aban number.