103303003121081 has 2 divisors, whose sum is σ = 103303003121082. Its totient is φ = 103303003121080.

The previous prime is 103303003121077. The next prime is 103303003121113. The reversal of 103303003121081 is 180121300303301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58567505949481 + 44735497171600 = 7652941^2 + 6688460^2 .

It is a cyclic number.

It is not a de Polignac number, because 103303003121081 - 2² = 103303003121077 is a prime.

It is a super-2 number, since 2×103303003121081² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103303003121081.

It is not a weakly prime, because it can be changed into another prime (103303003121011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51651501560540 + 51651501560541.

It is an arithmetic number, because the mean of its divisors is an integer number (51651501560541).

Almost surely, 2^{103303003121081} is an apocalyptic number.

It is an amenable number.

103303003121081 is a deficient number, since it is larger than the sum of its proper divisors (1).

103303003121081 is an equidigital number, since it uses as much as digits as its factorization.

103303003121081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 103303003121081 its reverse (180121300303301), we get a palindrome (283424303424382).

The spelling of 103303003121081 in words is "one hundred three trillion, three hundred three billion, three million, one hundred twenty-one thousand, eighty-one".