10321451122621 has 2 divisors, whose sum is σ = 10321451122622. Its totient is φ = 10321451122620.

The previous prime is 10321451122601. The next prime is 10321451122667. The reversal of 10321451122621 is 12622115412301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7655121370521 + 2666329752100 = 2766789^2 + 1632890^2 .

It is a cyclic number.

It is not a de Polignac number, because 10321451122621 - 2¹¹ = 10321451120573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10321451122601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5160725561310 + 5160725561311.

It is an arithmetic number, because the mean of its divisors is an integer number (5160725561311).

Almost surely, 2^{10321451122621} is an apocalyptic number.

It is an amenable number.

10321451122621 is a deficient number, since it is larger than the sum of its proper divisors (1).

10321451122621 is an equidigital number, since it uses as much as digits as its factorization.

10321451122621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 10321451122621 its reverse (12622115412301), we get a palindrome (22943566534922).

The spelling of 10321451122621 in words is "ten trillion, three hundred twenty-one billion, four hundred fifty-one million, one hundred twenty-two thousand, six hundred twenty-one".