1113201013021 has 8 divisors (see below), whose sum is σ = 1115258540760. Its totient is φ = 1111143697728.

The previous prime is 1113201013009. The next prime is 1113201013049. The reversal of 1113201013021 is 1203101023111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 387986968996 + 725214044025 = 622886^2 + 851595^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1113201013021 - 2⁹ = 1113201012509 is a prime.

It is a super-2 number, since 2×1113201013021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113201012986 and 1113201013004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113201013091) 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, 13704595 + ... + 13785583.

It is an arithmetic number, because the mean of its divisors is an integer number (139407317595).

Almost surely, 2^{1113201013021} is an apocalyptic number.

It is an amenable number.

1113201013021 is a deficient number, since it is larger than the sum of its proper divisors (2057527739).

1113201013021 is an equidigital number, since it uses as much as digits as its factorization.

1113201013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106223.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1113201013021 its reverse (1203101023111), we get a palindrome (2316302036132).

The spelling of 1113201013021 in words is "one trillion, one hundred thirteen billion, two hundred one million, thirteen thousand, twenty-one".