1003042011021 has 16 divisors (see below), whose sum is σ = 1347454424448. Its totient is φ = 663664332800.

The previous prime is 1003042010941. The next prime is 1003042011089. The reversal of 1003042011021 is 1201102403001.

It is a cyclic number.

It is not a de Polignac number, because 1003042011021 - 2²⁵ = 1003008456589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003042010021) 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, 1569376 + ... + 2114006.

It is an arithmetic number, because the mean of its divisors is an integer number (84215901528).

Almost surely, 2^{1003042011021} is an apocalyptic number.

It is an amenable number.

1003042011021 is a deficient number, since it is larger than the sum of its proper divisors (344412413427).

1003042011021 is a wasteful number, since it uses less digits than its factorization.

1003042011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549252.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1003042011021 its reverse (1201102403001), we get a palindrome (2204144414022).

The spelling of 1003042011021 in words is "one trillion, three billion, forty-two million, eleven thousand, twenty-one".