11113011221331 has 4 divisors (see below), whose sum is σ = 14817348295112. Its totient is φ = 7408674147552.

The previous prime is 11113011221329. The next prime is 11113011221381. The reversal of 11113011221331 is 13312211031111.

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

It is not a de Polignac number, because 11113011221331 - 2¹ = 11113011221329 is a prime.

It is a super-2 number, since 2×11113011221331² (a number of 27 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 = 11113011221298 and 11113011221307.

It is not an unprimeable number, because it can be changed into a prime (11113011221381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1852168536886 + ... + 1852168536891.

It is an arithmetic number, because the mean of its divisors is an integer number (3704337073778).

Almost surely, 2^{11113011221331} is an apocalyptic number.

11113011221331 is a deficient number, since it is larger than the sum of its proper divisors (3704337073781).

11113011221331 is an equidigital number, since it uses as much as digits as its factorization.

11113011221331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704337073780.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 11113011221331 its reverse (13312211031111), we get a palindrome (24425222252442).

The spelling of 11113011221331 in words is "eleven trillion, one hundred thirteen billion, eleven million, two hundred twenty-one thousand, three hundred thirty-one".