1113221321031 has 8 divisors (see below), whose sum is σ = 1486035186160. Its totient is φ = 741277501632.

The previous prime is 1113221321029. The next prime is 1113221321053. The reversal of 1113221321031 is 1301231223111.

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

It is not a de Polignac number, because 1113221321031 - 2¹ = 1113221321029 is a prime.

It is a super-2 number, since 2×1113221321031² (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 = 1113221320989 and 1113221321007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113221321021) 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, 217508446 + ... + 217513563.

It is an arithmetic number, because the mean of its divisors is an integer number (185754398270).

Almost surely, 2^{1113221321031} is an apocalyptic number.

1113221321031 is a deficient number, since it is larger than the sum of its proper divisors (372813865129).

1113221321031 is an equidigital number, since it uses as much as digits as its factorization.

1113221321031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435022865.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1113221321031 its reverse (1301231223111), we get a palindrome (2414452544142).

The spelling of 1113221321031 in words is "one trillion, one hundred thirteen billion, two hundred twenty-one million, three hundred twenty-one thousand, thirty-one".