11221142183 has 4 divisors (see below), whose sum is σ = 11221915320. Its totient is φ = 11220369048.

The previous prime is 11221142167. The next prime is 11221142203. The reversal of 11221142183 is 38124112211.

11221142183 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38124112211 = 29 ⋅1314624559.

It is a cyclic number.

It is not a de Polignac number, because 11221142183 - 2⁴ = 11221142167 is a prime.

It is a super-2 number, since 2×11221142183² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221142123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364373 + ... + 393966.

It is an arithmetic number, because the mean of its divisors is an integer number (2805478830).

Almost surely, 2^11221142183 is an apocalyptic number.

11221142183 is a deficient number, since it is larger than the sum of its proper divisors (773137).

11221142183 is an equidigital number, since it uses as much as digits as its factorization.

11221142183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773136.

The product of its digits is 768, while the sum is 26.

Adding to 11221142183 its reverse (38124112211), we get a palindrome (49345254394).

The spelling of 11221142183 in words is "eleven billion, two hundred twenty-one million, one hundred forty-two thousand, one hundred eighty-three".