10510354021 has 2 divisors, whose sum is σ = 10510354022. Its totient is φ = 10510354020.

The previous prime is 10510354003. The next prime is 10510354039. The reversal of 10510354021 is 12045301501.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (10510354003) and next prime (10510354039).

It can be written as a sum of positive squares in only one way, i.e., 10471428900 + 38925121 = 102330^2 + 6239^2 .

It is an emirp because it is prime and its reverse (12045301501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10510354021 - 2²³ = 10501965413 is a prime.

It is a super-2 number, since 2×10510354021² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10510353983 and 10510354001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10510354121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5255177010 + 5255177011.

It is an arithmetic number, because the mean of its divisors is an integer number (5255177011).

Almost surely, 2^10510354021 is an apocalyptic number.

It is an amenable number.

10510354021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10510354021 is an equidigital number, since it uses as much as digits as its factorization.

10510354021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 10510354021 its reverse (12045301501), we get a palindrome (22555655522).

The spelling of 10510354021 in words is "ten billion, five hundred ten million, three hundred fifty-four thousand, twenty-one".