1003121333011 has 6 divisors (see below), whose sum is σ = 1166896244580. Its totient is φ = 859818285396.

The previous prime is 1003121332897. The next prime is 1003121333033. The reversal of 1003121333011 is 1103331213001.

1003121333011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1003121333011 - 2⁷ = 1003121332883 is a prime.

It is a super-2 number, since 2×1003121333011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1003121333011.

It is not an unprimeable number, because it can be changed into a prime (1003121333041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10235931921 + ... + 10235932018.

It is an arithmetic number, because the mean of its divisors is an integer number (194482707430).

Almost surely, 2^{1003121333011} is an apocalyptic number.

1003121333011 is a deficient number, since it is larger than the sum of its proper divisors (163774911569).

1003121333011 is an equidigital number, since it uses as much as digits as its factorization.

1003121333011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20471863953 (or 20471863946 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1003121333011 its reverse (1103331213001), we get a palindrome (2106452546012).

The spelling of 1003121333011 in words is "one trillion, three billion, one hundred twenty-one million, three hundred thirty-three thousand, eleven".