102110103040081 has 2 divisors, whose sum is σ = 102110103040082. Its totient is φ = 102110103040080.

The previous prime is 102110103040051. The next prime is 102110103040097. The reversal of 102110103040081 is 180040301011201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95650453811025 + 6459649229056 = 9780105^2 + 2541584^2 .

It is a cyclic number.

It is not a de Polignac number, because 102110103040081 - 2¹³ = 102110103031889 is a prime.

It is a super-2 number, since 2×102110103040081² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102110103040031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055051520040 + 51055051520041.

It is an arithmetic number, because the mean of its divisors is an integer number (51055051520041).

Almost surely, 2^{102110103040081} is an apocalyptic number.

It is an amenable number.

102110103040081 is a deficient number, since it is larger than the sum of its proper divisors (1).

102110103040081 is an equidigital number, since it uses as much as digits as its factorization.

102110103040081 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 102110103040081 its reverse (180040301011201), we get a palindrome (282150404051282).

The spelling of 102110103040081 in words is "one hundred two trillion, one hundred ten billion, one hundred three million, forty thousand, eighty-one".