11223421142 has 8 divisors (see below), whose sum is σ = 17226646536. Its totient is φ = 5481205632.

The previous prime is 11223421127. The next prime is 11223421147. The reversal of 11223421142 is 24112432211.

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 (11223421147) 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, 65252363 + ... + 65252534.

It is an arithmetic number, because the mean of its divisors is an integer number (2153330817).

Almost surely, 2^11223421142 is an apocalyptic number.

11223421142 is a deficient number, since it is larger than the sum of its proper divisors (6003225394).

11223421142 is a wasteful number, since it uses less digits than its factorization.

11223421142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130504942.

The product of its digits is 768, while the sum is 23.

Adding to 11223421142 its reverse (24112432211), we get a palindrome (35335853353).

The spelling of 11223421142 in words is "eleven billion, two hundred twenty-three million, four hundred twenty-one thousand, one hundred forty-two".