10133110721 has 2 divisors, whose sum is σ = 10133110722. Its totient is φ = 10133110720.

The previous prime is 10133110717. The next prime is 10133110739. The reversal of 10133110721 is 12701133101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8512645696 + 1620465025 = 92264^2 + 40255^2 .

It is a cyclic number.

It is not a de Polignac number, because 10133110721 - 2² = 10133110717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10133110693 and 10133110702.

It is not a weakly prime, because it can be changed into another prime (10133110711) 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, 5066555360 + 5066555361.

It is an arithmetic number, because the mean of its divisors is an integer number (5066555361).

Almost surely, 2^10133110721 is an apocalyptic number.

It is an amenable number.

10133110721 is a deficient number, since it is larger than the sum of its proper divisors (1).

10133110721 is an equidigital number, since it uses as much as digits as its factorization.

10133110721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 20.

Adding to 10133110721 its reverse (12701133101), we get a palindrome (22834243822).

The spelling of 10133110721 in words is "ten billion, one hundred thirty-three million, one hundred ten thousand, seven hundred twenty-one".