11001002200121 has 2 divisors, whose sum is σ = 11001002200122. Its totient is φ = 11001002200120.

The previous prime is 11001002200093. The next prime is 11001002200169. The reversal of 11001002200121 is 12100220010011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9729340017721 + 1271662182400 = 3119189^2 + 1127680^2 .

It is a cyclic number.

It is not a de Polignac number, because 11001002200121 - 2¹⁴ = 11001002183737 is a prime.

It is not a weakly prime, because it can be changed into another prime (11001002200171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500501100060 + 5500501100061.

It is an arithmetic number, because the mean of its divisors is an integer number (5500501100061).

Almost surely, 2^{11001002200121} is an apocalyptic number.

It is an amenable number.

11001002200121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001002200121 is an equidigital number, since it uses as much as digits as its factorization.

11001002200121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11001002200121 its reverse (12100220010011), we get a palindrome (23101222210132).

The spelling of 11001002200121 in words is "eleven trillion, one billion, two million, two hundred thousand, one hundred twenty-one".