104122010221 has 2 divisors, whose sum is σ = 104122010222. Its totient is φ = 104122010220.

The previous prime is 104122010141. The next prime is 104122010297. The reversal of 104122010221 is 122010221401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53580675625 + 50541334596 = 231475^2 + 224814^2 .

It is a cyclic number.

It is not a de Polignac number, because 104122010221 - 2¹⁷ = 104121879149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104122010195 and 104122010204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104122011221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52061005110 + 52061005111.

It is an arithmetic number, because the mean of its divisors is an integer number (52061005111).

Almost surely, 2^104122010221 is an apocalyptic number.

It is an amenable number.

104122010221 is a deficient number, since it is larger than the sum of its proper divisors (1).

104122010221 is an equidigital number, since it uses as much as digits as its factorization.

104122010221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 104122010221 its reverse (122010221401), we get a palindrome (226132231622).

The spelling of 104122010221 in words is "one hundred four billion, one hundred twenty-two million, ten thousand, two hundred twenty-one".