10120042291 has 2 divisors, whose sum is σ = 10120042292. Its totient is φ = 10120042290.

The previous prime is 10120042277. The next prime is 10120042351. The reversal of 10120042291 is 19224002101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10120042291 - 2⁹ = 10120041779 is a prime.

It is not a weakly prime, because it can be changed into another prime (10120012291) 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, 5060021145 + 5060021146.

It is an arithmetic number, because the mean of its divisors is an integer number (5060021146).

Almost surely, 2^10120042291 is an apocalyptic number.

10120042291 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120042291 is an equidigital number, since it uses as much as digits as its factorization.

10120042291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 10120042291 its reverse (19224002101), we get a palindrome (29344044392).

The spelling of 10120042291 in words is "ten billion, one hundred twenty million, forty-two thousand, two hundred ninety-one".