1013240232021 has 16 divisors (see below), whose sum is σ = 1366341655680. Its totient is φ = 667845964800.

The previous prime is 1013240232019. The next prime is 1013240232041. The reversal of 1013240232021 is 1202320423101.

It is not a de Polignac number, because 1013240232021 - 2¹ = 1013240232019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013240232041) 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, 3590881 + ... + 3862758.

It is an arithmetic number, because the mean of its divisors is an integer number (85396353480).

Almost surely, 2^{1013240232021} is an apocalyptic number.

It is an amenable number.

1013240232021 is a deficient number, since it is larger than the sum of its proper divisors (353101423659).

1013240232021 is a wasteful number, since it uses less digits than its factorization.

1013240232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7454156.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1013240232021 its reverse (1202320423101), we get a palindrome (2215560655122).

The spelling of 1013240232021 in words is "one trillion, thirteen billion, two hundred forty million, two hundred thirty-two thousand, twenty-one".