113321211021331 has 4 divisors (see below), whose sum is σ = 113321234601664. Its totient is φ = 113321187441000.

The previous prime is 113321211021329. The next prime is 113321211021379. The reversal of 113321211021331 is 133120112123311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113321211021331 - 2¹ = 113321211021329 is a prime.

It is a super-2 number, since 2×113321211021331² (a number of 29 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 = 113321211021296 and 113321211021305.

It is not an unprimeable number, because it can be changed into a prime (113321211021731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1707240 + ... + 15151141.

It is an arithmetic number, because the mean of its divisors is an integer number (28330308650416).

Almost surely, 2^{113321211021331} is an apocalyptic number.

113321211021331 is a deficient number, since it is larger than the sum of its proper divisors (23580333).

113321211021331 is an equidigital number, since it uses as much as digits as its factorization.

113321211021331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23580332.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 113321211021331 its reverse (133120112123311), we get a palindrome (246441323144642).

The spelling of 113321211021331 in words is "one hundred thirteen trillion, three hundred twenty-one billion, two hundred eleven million, twenty-one thousand, three hundred thirty-one".