11013321222031 has 4 divisors (see below), whose sum is σ = 11031893433792. Its totient is φ = 10994749010272.

The previous prime is 11013321222023. The next prime is 11013321222121. The reversal of 11013321222031 is 13022212331011.

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 11013321222031 - 2³ = 11013321222023 is a prime.

It is a super-2 number, since 2×11013321222031² (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 = 11013321221993 and 11013321222011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013351222031) 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, 9286104991 + ... + 9286106176.

It is an arithmetic number, because the mean of its divisors is an integer number (2757973358448).

Almost surely, 2^{11013321222031} is an apocalyptic number.

11013321222031 is a deficient number, since it is larger than the sum of its proper divisors (18572211761).

11013321222031 is an equidigital number, since it uses as much as digits as its factorization.

11013321222031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18572211760.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11013321222031 its reverse (13022212331011), we get a palindrome (24035533553042).

The spelling of 11013321222031 in words is "eleven trillion, thirteen billion, three hundred twenty-one million, two hundred twenty-two thousand, thirty-one".