11121032002081 has 2 divisors, whose sum is σ = 11121032002082. Its totient is φ = 11121032002080.

The previous prime is 11121032002039. The next prime is 11121032002103. The reversal of 11121032002081 is 18020023012111.

It is an a-pointer prime, because the next prime (11121032002103) can be obtained adding 11121032002081 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11027652865681 + 93379136400 = 3320791^2 + 305580^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121032002081 - 2¹⁹ = 11121031477793 is a prime.

It is a super-2 number, since 2×11121032002081² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11121032002481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560516001040 + 5560516001041.

It is an arithmetic number, because the mean of its divisors is an integer number (5560516001041).

Almost surely, 2^{11121032002081} is an apocalyptic number.

It is an amenable number.

11121032002081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121032002081 is an equidigital number, since it uses as much as digits as its factorization.

11121032002081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 11121032002081 its reverse (18020023012111), we get a palindrome (29141055014192).

The spelling of 11121032002081 in words is "eleven trillion, one hundred twenty-one billion, thirty-two million, two thousand, eighty-one".