10554350021 has 2 divisors, whose sum is σ = 10554350022. Its totient is φ = 10554350020.

The previous prime is 10554350003. The next prime is 10554350029. The reversal of 10554350021 is 12005345501.

10554350021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9041917921 + 1512432100 = 95089^2 + 38890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10554350021 is a prime.

It is a super-2 number, since 2×10554350021² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10554350029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5277175010 + 5277175011.

It is an arithmetic number, because the mean of its divisors is an integer number (5277175011).

Almost surely, 2^10554350021 is an apocalyptic number.

It is an amenable number.

10554350021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10554350021 is an equidigital number, since it uses as much as digits as its factorization.

10554350021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 10554350021 its reverse (12005345501), we get a palindrome (22559695522).

The spelling of 10554350021 in words is "ten billion, five hundred fifty-four million, three hundred fifty thousand, twenty-one".