10021131193 has 2 divisors, whose sum is σ = 10021131194. Its totient is φ = 10021131192.

The previous prime is 10021131181. The next prime is 10021131227. The reversal of 10021131193 is 39113112001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7539796224 + 2481334969 = 86832^2 + 49813^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021131193 - 2⁵ = 10021131161 is a prime.

It is not a weakly prime, because it can be changed into another prime (10021131143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010565596 + 5010565597.

It is an arithmetic number, because the mean of its divisors is an integer number (5010565597).

Almost surely, 2^10021131193 is an apocalyptic number.

It is an amenable number.

10021131193 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021131193 is an equidigital number, since it uses as much as digits as its factorization.

10021131193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 22.

Adding to 10021131193 its reverse (39113112001), we get a palindrome (49134243194).

The spelling of 10021131193 in words is "ten billion, twenty-one million, one hundred thirty-one thousand, one hundred ninety-three".