1003103211021 has 8 divisors (see below), whose sum is σ = 1355792468160. Its totient is φ = 659574713952.

The previous prime is 1003103210981. The next prime is 1003103211031. The reversal of 1003103211021 is 1201123013001.

It is a happy number.

1003103211021 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1003103211021 - 2¹⁴ = 1003103194637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003103211031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2290189761 + ... + 2290190198.

It is an arithmetic number, because the mean of its divisors is an integer number (169474058520).

Almost surely, 2^{1003103211021} is an apocalyptic number.

It is an amenable number.

1003103211021 is a deficient number, since it is larger than the sum of its proper divisors (352689257139).

1003103211021 is an equidigital number, since it uses as much as digits as its factorization.

1003103211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4580380035.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1003103211021 its reverse (1201123013001), we get a palindrome (2204226224022).

The spelling of 1003103211021 in words is "one trillion, three billion, one hundred three million, two hundred eleven thousand, twenty-one".