10023021181 has 2 divisors, whose sum is σ = 10023021182. Its totient is φ = 10023021180.

The previous prime is 10023021179. The next prime is 10023021191. The reversal of 10023021181 is 18112032001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9774485956 + 248535225 = 98866^2 + 15765^2 .

It is a cyclic number.

It is not a de Polignac number, because 10023021181 - 2¹ = 10023021179 is a prime.

It is a super-2 number, since 2×10023021181² (a number of 21 digits) contains 22 as substring.

Together with 10023021179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10023021191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5011510590 + 5011510591.

It is an arithmetic number, because the mean of its divisors is an integer number (5011510591).

Almost surely, 2^10023021181 is an apocalyptic number.

It is an amenable number.

10023021181 is a deficient number, since it is larger than the sum of its proper divisors (1).

10023021181 is an equidigital number, since it uses as much as digits as its factorization.

10023021181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 10023021181 its reverse (18112032001), we get a palindrome (28135053182).

The spelling of 10023021181 in words is "ten billion, twenty-three million, twenty-one thousand, one hundred eighty-one".