103899228713261 has 2 divisors, whose sum is σ = 103899228713262. Its totient is φ = 103899228713260.

The previous prime is 103899228713239. The next prime is 103899228713317. The reversal of 103899228713261 is 162317822998301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81146424113161 + 22752804600100 = 9008131^2 + 4769990^2 .

It is an emirp because it is prime and its reverse (162317822998301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103899228713261 - 2¹⁴ = 103899228696877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103899228713194 and 103899228713203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103899228713201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51949614356630 + 51949614356631.

It is an arithmetic number, because the mean of its divisors is an integer number (51949614356631).

Almost surely, 2^{103899228713261} is an apocalyptic number.

It is an amenable number.

103899228713261 is a deficient number, since it is larger than the sum of its proper divisors (1).

103899228713261 is an equidigital number, since it uses as much as digits as its factorization.

103899228713261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15676416, while the sum is 62.

The spelling of 103899228713261 in words is "one hundred three trillion, eight hundred ninety-nine billion, two hundred twenty-eight million, seven hundred thirteen thousand, two hundred sixty-one".