103320111132281 has 2 divisors, whose sum is σ = 103320111132282. Its totient is φ = 103320111132280.

The previous prime is 103320111132269. The next prime is 103320111132307. The reversal of 103320111132281 is 182231111023301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62070525895225 + 41249585237056 = 7878485^2 + 6422584^2 .

It is a cyclic number.

It is not a de Polignac number, because 103320111132281 - 2²² = 103320106937977 is a prime.

It is a super-2 number, since 2×103320111132281² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103320111132881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51660055566140 + 51660055566141.

It is an arithmetic number, because the mean of its divisors is an integer number (51660055566141).

Almost surely, 2^{103320111132281} is an apocalyptic number.

It is an amenable number.

103320111132281 is a deficient number, since it is larger than the sum of its proper divisors (1).

103320111132281 is an equidigital number, since it uses as much as digits as its factorization.

103320111132281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

Adding to 103320111132281 its reverse (182231111023301), we get a palindrome (285551222155582).

The spelling of 103320111132281 in words is "one hundred three trillion, three hundred twenty billion, one hundred eleven million, one hundred thirty-two thousand, two hundred eighty-one".