11420142203 has 8 divisors (see below), whose sum is σ = 12065302080. Its totient is φ = 10791739840.

The previous prime is 11420142187. The next prime is 11420142257. The reversal of 11420142203 is 30224102411.

11420142203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11420142203 - 2⁴ = 11420142187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11420142263) 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 7 ways as a sum of consecutive naturals, for example, 4187978 + ... + 4190703.

It is an arithmetic number, because the mean of its divisors is an integer number (1508162760).

Almost surely, 2^11420142203 is an apocalyptic number.

11420142203 is a deficient number, since it is larger than the sum of its proper divisors (645159877).

11420142203 is an equidigital number, since it uses as much as digits as its factorization.

11420142203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8378757.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11420142203 its reverse (30224102411), we get a palindrome (41644244614).

The spelling of 11420142203 in words is "eleven billion, four hundred twenty million, one hundred forty-two thousand, two hundred three".