11010310120081 has 2 divisors, whose sum is σ = 11010310120082. Its totient is φ = 11010310120080.

The previous prime is 11010310120079. The next prime is 11010310120123. The reversal of 11010310120081 is 18002101301011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9430525079056 + 1579785041025 = 3070916^2 + 1256895^2 .

It is an emirp because it is prime and its reverse (18002101301011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11010310120081 - 2¹ = 11010310120079 is a prime.

It is a super-2 number, since 2×11010310120081² (a number of 27 digits) contains 22 as substring.

Together with 11010310120079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11010310123081) 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, 5505155060040 + 5505155060041.

It is an arithmetic number, because the mean of its divisors is an integer number (5505155060041).

Almost surely, 2^{11010310120081} is an apocalyptic number.

It is an amenable number.

11010310120081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11010310120081 is an equidigital number, since it uses as much as digits as its factorization.

11010310120081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 11010310120081 its reverse (18002101301011), we get a palindrome (29012411421092).

The spelling of 11010310120081 in words is "eleven trillion, ten billion, three hundred ten million, one hundred twenty thousand, eighty-one".