1001012113 has 8 divisors (see below), whose sum is σ = 1037188800. Its totient is φ = 965475888.

The previous prime is 1001012107. The next prime is 1001012123. The reversal of 1001012113 is 3112101001.

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

It is a cyclic number.

It is not a de Polignac number, because 1001012113 - 2⁹ = 1001011601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1001012113.

It is not an unprimeable number, because it can be changed into a prime (1001012123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156933 + ... + 163186.

It is an arithmetic number, because the mean of its divisors is an integer number (129648600).

Almost surely, 2^1001012113 is an apocalyptic number.

It is an amenable number.

1001012113 is a deficient number, since it is larger than the sum of its proper divisors (36176687).

1001012113 is an equidigital number, since it uses as much as digits as its factorization.

1001012113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320231.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1001012113 is about 31638.7754661902. The cubic root of 1001012113 is about 1000.3372572448.

Adding to 1001012113 its reverse (3112101001), we get a palindrome (4113113114).

The spelling of 1001012113 in words is "one billion, one million, twelve thousand, one hundred thirteen".