1003021112011 has 16 divisors (see below), whose sum is σ = 1090947786336. Its totient is φ = 918318767616.

The previous prime is 1003021111993. The next prime is 1003021112021. The reversal of 1003021112011 is 1102111203001.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1003021112011 is a prime.

It is a super-2 number, since 2×1003021112011² (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 = 1003021111982 and 1003021112000.

It is not an unprimeable number, because it can be changed into a prime (1003021112021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2976945 + ... + 3296701.

It is an arithmetic number, because the mean of its divisors is an integer number (68184236646).

Almost surely, 2^{1003021112011} is an apocalyptic number.

1003021112011 is a deficient number, since it is larger than the sum of its proper divisors (87926674325).

1003021112011 is a wasteful number, since it uses less digits than its factorization.

1003021112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324798.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1003021112011 its reverse (1102111203001), we get a palindrome (2105132315012).

The spelling of 1003021112011 in words is "one trillion, three billion, twenty-one million, one hundred twelve thousand, eleven".