11331102013081 has 2 divisors, whose sum is σ = 11331102013082. Its totient is φ = 11331102013080.

The previous prime is 11331102013073. The next prime is 11331102013109. The reversal of 11331102013081 is 18031020113311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10480169561481 + 850932451600 = 3237309^2 + 922460^2 .

It is an emirp because it is prime and its reverse (18031020113311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11331102013081 - 2³ = 11331102013073 is a prime.

It is a super-2 number, since 2×11331102013081² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11331102013381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665551006540 + 5665551006541.

It is an arithmetic number, because the mean of its divisors is an integer number (5665551006541).

Almost surely, 2^{11331102013081} is an apocalyptic number.

It is an amenable number.

11331102013081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331102013081 is an equidigital number, since it uses as much as digits as its factorization.

11331102013081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

Adding to 11331102013081 its reverse (18031020113311), we get a palindrome (29362122126392).

The spelling of 11331102013081 in words is "eleven trillion, three hundred thirty-one billion, one hundred two million, thirteen thousand, eighty-one".