1000001121008 has 20 divisors (see below), whose sum is σ = 1937993174040. Its totient is φ = 499873850304.

The previous prime is 1000001120977. The next prime is 1000001121019. The reversal of 1000001121008 is 8001211000001.

1000001121008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1000001120983 and 1000001121001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7854263 + ... + 7980566.

It is an arithmetic number, because the mean of its divisors is an integer number (96899658702).

Almost surely, 2^{1000001121008} is an apocalyptic number.

It is an amenable number.

1000001121008 is a deficient number, since it is larger than the sum of its proper divisors (937992053032).

1000001121008 is a wasteful number, since it uses less digits than its factorization.

1000001121008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15838784 (or 15838778 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1000001121008 its reverse (8001211000001), we get a palindrome (9001212121009).

The spelling of 1000001121008 in words is "one trillion, one million, one hundred twenty-one thousand, eight".