1013003032021 has 16 divisors (see below), whose sum is σ = 1042482222144. Its totient is φ = 983804338944.

The previous prime is 1013003031977. The next prime is 1013003032031. The reversal of 1013003032021 is 1202303003101.

It is a cyclic number.

It is not a de Polignac number, because 1013003032021 - 2¹⁹ = 1013002507733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1013003031986 and 1013003032004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013003032031) 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, 7478125 + ... + 7612381.

It is an arithmetic number, because the mean of its divisors is an integer number (65155138884).

Almost surely, 2^{1013003032021} is an apocalyptic number.

It is an amenable number.

1013003032021 is a deficient number, since it is larger than the sum of its proper divisors (29479190123).

1013003032021 is a wasteful number, since it uses less digits than its factorization.

1013003032021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135300.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1013003032021 its reverse (1202303003101), we get a palindrome (2215306035122).

The spelling of 1013003032021 in words is "one trillion, thirteen billion, three million, thirty-two thousand, twenty-one".