1003133312021 has 16 divisors (see below), whose sum is σ = 1054882828800. Its totient is φ = 952078752768.

The previous prime is 1003133312003. The next prime is 1003133312047. The reversal of 1003133312021 is 1202133313001.

It is a cyclic number.

It is not a de Polignac number, because 1003133312021 - 2²⁶ = 1003066203157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003133311984 and 1003133312002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003133312221) 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, 2403125 + ... + 2789493.

It is an arithmetic number, because the mean of its divisors is an integer number (65930176800).

Almost surely, 2^{1003133312021} is an apocalyptic number.

It is an amenable number.

1003133312021 is a deficient number, since it is larger than the sum of its proper divisors (51749516779).

1003133312021 is a wasteful number, since it uses less digits than its factorization.

1003133312021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387268.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1003133312021 its reverse (1202133313001), we get a palindrome (2205266625022).

The spelling of 1003133312021 in words is "one trillion, three billion, one hundred thirty-three million, three hundred twelve thousand, twenty-one".