10002321157 has 2 divisors, whose sum is σ = 10002321158. Its totient is φ = 10002321156.

The previous prime is 10002321041. The next prime is 10002321181. The reversal of 10002321157 is 75112320001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7805899201 + 2196421956 = 88351^2 + 46866^2 .

It is a cyclic number.

It is not a de Polignac number, because 10002321157 - 2¹¹ = 10002319109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10002321187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001160578 + 5001160579.

It is an arithmetic number, because the mean of its divisors is an integer number (5001160579).

Almost surely, 2^10002321157 is an apocalyptic number.

It is an amenable number.

10002321157 is a deficient number, since it is larger than the sum of its proper divisors (1).

10002321157 is an equidigital number, since it uses as much as digits as its factorization.

10002321157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 22.

Adding to 10002321157 its reverse (75112320001), we get a palindrome (85114641158).

The spelling of 10002321157 in words is "ten billion, two million, three hundred twenty-one thousand, one hundred fifty-seven".