10512053345221 has 2 divisors, whose sum is σ = 10512053345222. Its totient is φ = 10512053345220.

The previous prime is 10512053345207. The next prime is 10512053345303. The reversal of 10512053345221 is 12254335021501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8588644948321 + 1923408396900 = 2930639^2 + 1386870^2 .

It is a cyclic number.

It is not a de Polignac number, because 10512053345221 - 2²³ = 10512044956613 is a prime.

It is a super-2 number, since 2×10512053345221² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10512053375221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5256026672610 + 5256026672611.

It is an arithmetic number, because the mean of its divisors is an integer number (5256026672611).

Almost surely, 2^{10512053345221} is an apocalyptic number.

It is an amenable number.

10512053345221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10512053345221 is an equidigital number, since it uses as much as digits as its factorization.

10512053345221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 10512053345221 its reverse (12254335021501), we get a palindrome (22766388366722).

The spelling of 10512053345221 in words is "ten trillion, five hundred twelve billion, fifty-three million, three hundred forty-five thousand, two hundred twenty-one".