10042021042 has 8 divisors (see below), whose sum is σ = 15063525036. Its totient is φ = 5020846032.

The previous prime is 10042021013. The next prime is 10042021043. The reversal of 10042021042 is 24012024001.

It can be written as a sum of positive squares in 2 ways, for example, as 8535727321 + 1506293721 = 92389^2 + 38811^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (10042021043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18988 + ... + 142984.

Almost surely, 2^10042021042 is an apocalyptic number.

10042021042 is a deficient number, since it is larger than the sum of its proper divisors (5021503994).

10042021042 is a wasteful number, since it uses less digits than its factorization.

10042021042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164492.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 10042021042 its reverse (24012024001), we get a palindrome (34054045043).

The spelling of 10042021042 in words is "ten billion, forty-two million, twenty-one thousand, forty-two".