1001334011123 has 4 divisors (see below), whose sum is σ = 1033635108288. Its totient is φ = 969032913960.

The previous prime is 1001334011099. The next prime is 1001334011137. The reversal of 1001334011123 is 3211104331001.

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

It is a cyclic number.

It is not a de Polignac number, because 1001334011123 - 2⁶ = 1001334011059 is a prime.

It is a super-2 number, since 2×1001334011123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001334011095 and 1001334011104.

It is not an unprimeable number, because it can be changed into a prime (1001334011143) 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 in 3 ways as a sum of consecutive naturals, for example, 16150548536 + ... + 16150548597.

It is an arithmetic number, because the mean of its divisors is an integer number (258408777072).

Almost surely, 2^{1001334011123} is an apocalyptic number.

1001334011123 is a deficient number, since it is larger than the sum of its proper divisors (32301097165).

1001334011123 is an equidigital number, since it uses as much as digits as its factorization.

1001334011123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32301097164.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1001334011123 its reverse (3211104331001), we get a palindrome (4212438342124).

The spelling of 1001334011123 in words is "one trillion, one billion, three hundred thirty-four million, eleven thousand, one hundred twenty-three".