11420422133 has 4 divisors (see below), whose sum is σ = 11437911948. Its totient is φ = 11402932320.

The previous prime is 11420422067. The next prime is 11420422151. The reversal of 11420422133 is 33122402411.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2570692804 + 8849729329 = 50702^2 + 94073^2 .

It is a cyclic number.

It is not a de Polignac number, because 11420422133 - 2⁸ = 11420421877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11420422099 and 11420422108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420424133) 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, 8743928 + ... + 8745233.

It is an arithmetic number, because the mean of its divisors is an integer number (2859477987).

Almost surely, 2^11420422133 is an apocalyptic number.

It is an amenable number.

11420422133 is a deficient number, since it is larger than the sum of its proper divisors (17489815).

11420422133 is an equidigital number, since it uses as much as digits as its factorization.

11420422133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17489814.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 11420422133 its reverse (33122402411), we get a palindrome (44542824544).

The spelling of 11420422133 in words is "eleven billion, four hundred twenty million, four hundred twenty-two thousand, one hundred thirty-three".