10210282421 has 2 divisors, whose sum is σ = 10210282422. Its totient is φ = 10210282420.

The previous prime is 10210282417. The next prime is 10210282463. The reversal of 10210282421 is 12428201201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9503520196 + 706762225 = 97486^2 + 26585^2 .

It is a cyclic number.

It is not a de Polignac number, because 10210282421 - 2² = 10210282417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10210282471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105141210 + 5105141211.

It is an arithmetic number, because the mean of its divisors is an integer number (5105141211).

Almost surely, 2^10210282421 is an apocalyptic number.

It is an amenable number.

10210282421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10210282421 is an equidigital number, since it uses as much as digits as its factorization.

10210282421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 10210282421 its reverse (12428201201), we get a palindrome (22638483622).

The spelling of 10210282421 in words is "ten billion, two hundred ten million, two hundred eighty-two thousand, four hundred twenty-one".