1003311111012 has 96 divisors (see below), whose sum is σ = 2864046259200. Its totient is φ = 266969976192.

The previous prime is 1003311110939. The next prime is 1003311111053. The reversal of 1003311111012 is 2101111133001.

It is a junction number, because it is equal to n+sod(n) for n = 1003311110982 and 1003311111000.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5233303 + ... + 5421630.

It is an arithmetic number, because the mean of its divisors is an integer number (29833815200).

Almost surely, 2^{1003311111012} is an apocalyptic number.

1003311111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1003311111012 is an abundant number, since it is smaller than the sum of its proper divisors (1860735148188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1003311111012 is a wasteful number, since it uses less digits than its factorization.

1003311111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10655025 (or 10655023 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 1003311111012 its reverse (2101111133001), we get a palindrome (3104422244013).

The spelling of 1003311111012 in words is "one trillion, three billion, three hundred eleven million, one hundred eleven thousand, twelve".