11120000012081 has 2 divisors, whose sum is σ = 11120000012082. Its totient is φ = 11120000012080.

The previous prime is 11120000012057. The next prime is 11120000012123. The reversal of 11120000012081 is 18021000002111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10982655652081 + 137344360000 = 3314009^2 + 370600^2 .

It is a cyclic number.

It is not a de Polignac number, because 11120000012081 - 2¹⁴ = 11119999995697 is a prime.

It is a super-2 number, since 2×11120000012081² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11120000062081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560000006040 + 5560000006041.

It is an arithmetic number, because the mean of its divisors is an integer number (5560000006041).

Almost surely, 2^{11120000012081} is an apocalyptic number.

It is an amenable number.

11120000012081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11120000012081 is an equidigital number, since it uses as much as digits as its factorization.

11120000012081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11120000012081 its reverse (18021000002111), we get a palindrome (29141000014192).

The spelling of 11120000012081 in words is "eleven trillion, one hundred twenty billion, twelve thousand, eighty-one".