10112881 has 2 divisors, whose sum is σ = 10112882. Its totient is φ = 10112880.

The previous prime is 10112873. The next prime is 10112897. The reversal of 10112881 is 18821101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8381025 + 1731856 = 2895^2 + 1316^2 .

It is a cyclic number.

It is not a de Polignac number, because 10112881 - 2³ = 10112873 is a prime.

It is a super-2 number, since 2×10112881² = 204540724240322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10112831) 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, 5056440 + 5056441.

It is an arithmetic number, because the mean of its divisors is an integer number (5056441).

Almost surely, 2^10112881 is an apocalyptic number.

It is an amenable number.

10112881 is a deficient number, since it is larger than the sum of its proper divisors (1).

10112881 is an equidigital number, since it uses as much as digits as its factorization.

10112881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 22.

The square root of 10112881 is about 3180.0756280315. The cubic root of 10112881 is about 216.2510869002.

Adding to 10112881 its reverse (18821101), we get a palindrome (28933982).

The spelling of 10112881 in words is "ten million, one hundred twelve thousand, eight hundred eighty-one".