1113310131021 has 24 divisors (see below), whose sum is σ = 1758358457856. Its totient is φ = 673175111040.

The previous prime is 1113310130939. The next prime is 1113310131053. The reversal of 1113310131021 is 1201310133111.

1113310131021 is a `hidden beast` number, since 1 + 1 + 1 + 331 + 0 + 1 + 310 + 21 = 666.

It is not a de Polignac number, because 1113310131021 - 2¹⁹ = 1113309606733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1113310130985 and 1113310131003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113310131221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12942765 + ... + 13028498.

It is an arithmetic number, because the mean of its divisors is an integer number (73264935744).

Almost surely, 2^{1113310131021} is an apocalyptic number.

1113310131021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1113310131021 is a deficient number, since it is larger than the sum of its proper divisors (645048326835).

1113310131021 is a wasteful number, since it uses less digits than its factorization.

1113310131021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25971713 (or 25971710 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1113310131021 its reverse (1201310133111), we get a palindrome (2314620264132).

The spelling of 1113310131021 in words is "one trillion, one hundred thirteen billion, three hundred ten million, one hundred thirty-one thousand, twenty-one".