10101360721 has 2 divisors, whose sum is σ = 10101360722. Its totient is φ = 10101360720.

The previous prime is 10101360641. The next prime is 10101360739. The reversal of 10101360721 is 12706310101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5932850625 + 4168510096 = 77025^2 + 64564^2 .

It is a cyclic number.

It is not a de Polignac number, because 10101360721 - 2³¹ = 7953877073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10101360692 and 10101360701.

It is not a weakly prime, because it can be changed into another prime (10101360821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050680360 + 5050680361.

It is an arithmetic number, because the mean of its divisors is an integer number (5050680361).

Almost surely, 2^10101360721 is an apocalyptic number.

It is an amenable number.

10101360721 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101360721 is an equidigital number, since it uses as much as digits as its factorization.

10101360721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 22.

Adding to 10101360721 its reverse (12706310101), we get a palindrome (22807670822).

The spelling of 10101360721 in words is "ten billion, one hundred one million, three hundred sixty thousand, seven hundred twenty-one".