1021300133103 has 12 divisors (see below), whose sum is σ = 1480951428528. Its totient is φ = 678217466880.

The previous prime is 1021300133069. The next prime is 1021300133129. The reversal of 1021300133103 is 3013310031201.

It is a happy number.

1021300133103 is a `hidden beast` number, since 10 + 21 + 300 + 1 + 331 + 0 + 3 = 666.

It is not a de Polignac number, because 1021300133103 - 2¹⁸ = 1021299870959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021300135103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220771603 + ... + 220776228.

It is an arithmetic number, because the mean of its divisors is an integer number (123412619044).

Almost surely, 2^{1021300133103} is an apocalyptic number.

1021300133103 is a deficient number, since it is larger than the sum of its proper divisors (459651295425).

1021300133103 is a wasteful number, since it uses less digits than its factorization.

1021300133103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441548094 (or 441548091 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 1021300133103 its reverse (3013310031201), we get a palindrome (4034610164304).

The spelling of 1021300133103 in words is "one trillion, twenty-one billion, three hundred million, one hundred thirty-three thousand, one hundred three".