10001001242 has 4 divisors (see below), whose sum is σ = 15001501866. Its totient is φ = 5000500620.

The previous prime is 10001001223. The next prime is 10001001259. The reversal of 10001001242 is 24210010001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8317622401 + 1683378841 = 91201^2 + 41029^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500250309 + ... + 2500250312.

Almost surely, 2^10001001242 is an apocalyptic number.

10001001242 is a deficient number, since it is larger than the sum of its proper divisors (5000500624).

10001001242 is an equidigital number, since it uses as much as digits as its factorization.

10001001242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000500623.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10001001242 its reverse (24210010001), we get a palindrome (34211011243).

The spelling of 10001001242 in words is "ten billion, one million, one thousand, two hundred forty-two".