1003113122011 has 48 divisors (see below), whose sum is σ = 1369492062400. Its totient is φ = 714899623680.

The previous prime is 1003113122003. The next prime is 1003113122021. The reversal of 1003113122011 is 1102213113001.

It is a happy number.

It is not a de Polignac number, because 1003113122011 - 2³ = 1003113122003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1003113122021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 782305 + ... + 1618093.

Almost surely, 2^{1003113122011} is an apocalyptic number.

1003113122011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1003113122011 is a deficient number, since it is larger than the sum of its proper divisors (366378940389).

1003113122011 is a wasteful number, since it uses less digits than its factorization.

1003113122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835940 (or 835929 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1003113122011 its reverse (1102213113001), we get a palindrome (2105326235012).

The spelling of 1003113122011 in words is "one trillion, three billion, one hundred thirteen million, one hundred twenty-two thousand, eleven".