104421020281 has 2 divisors, whose sum is σ = 104421020282. Its totient is φ = 104421020280.

The previous prime is 104421020243. The next prime is 104421020309. The reversal of 104421020281 is 182020124401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91445760000 + 12975260281 = 302400^2 + 113909^2 .

It is a cyclic number.

It is not a de Polignac number, because 104421020281 - 2²⁵ = 104387465849 is a prime.

It is a super-2 number, since 2×104421020281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104421020581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52210510140 + 52210510141.

It is an arithmetic number, because the mean of its divisors is an integer number (52210510141).

Almost surely, 2^104421020281 is an apocalyptic number.

It is an amenable number.

104421020281 is a deficient number, since it is larger than the sum of its proper divisors (1).

104421020281 is an equidigital number, since it uses as much as digits as its factorization.

104421020281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 104421020281 its reverse (182020124401), we get a palindrome (286441144682).

The spelling of 104421020281 in words is "one hundred four billion, four hundred twenty-one million, twenty thousand, two hundred eighty-one".