11221203142 has 8 divisors (see below), whose sum is σ = 17149386096. Its totient is φ = 5504741112.

The previous prime is 11221203139. The next prime is 11221203143. The reversal of 11221203142 is 24130212211.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221203143) 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, 52930098 + ... + 52930309.

It is an arithmetic number, because the mean of its divisors is an integer number (2143673262).

Almost surely, 2^11221203142 is an apocalyptic number.

11221203142 is a deficient number, since it is larger than the sum of its proper divisors (5928182954).

11221203142 is a wasteful number, since it uses less digits than its factorization.

11221203142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105860462.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11221203142 its reverse (24130212211), we get a palindrome (35351415353).

The spelling of 11221203142 in words is "eleven billion, two hundred twenty-one million, two hundred three thousand, one hundred forty-two".