11122120343 has 4 divisors (see below), whose sum is σ = 11162272680. Its totient is φ = 11081968008.

The previous prime is 11122120199. The next prime is 11122120363. The reversal of 11122120343 is 34302122111.

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 11122120343 - 2¹⁸ = 11121858199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122120363) 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, 20075753 + ... + 20076306.

It is an arithmetic number, because the mean of its divisors is an integer number (2790568170).

Almost surely, 2^11122120343 is an apocalyptic number.

11122120343 is a deficient number, since it is larger than the sum of its proper divisors (40152337).

11122120343 is an equidigital number, since it uses as much as digits as its factorization.

11122120343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40152336.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11122120343 its reverse (34302122111), we get a palindrome (45424242454).

The spelling of 11122120343 in words is "eleven billion, one hundred twenty-two million, one hundred twenty thousand, three hundred forty-three".