10110104021 has 2 divisors, whose sum is σ = 10110104022. Its totient is φ = 10110104020.

The previous prime is 10110104009. The next prime is 10110104099. The reversal of 10110104021 is 12040101101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8763580996 + 1346523025 = 93614^2 + 36695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10110104021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10110103993 and 10110104011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10110104321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055052010 + 5055052011.

It is an arithmetic number, because the mean of its divisors is an integer number (5055052011).

Almost surely, 2^10110104021 is an apocalyptic number.

It is an amenable number.

10110104021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10110104021 is an equidigital number, since it uses as much as digits as its factorization.

10110104021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10110104021 its reverse (12040101101), we get a palindrome (22150205122).

The spelling of 10110104021 in words is "ten billion, one hundred ten million, one hundred four thousand, twenty-one".