It is a semiprime because it is the product of two primes.
It is an unprimeable number.
Almost surely, 21101420442 is an apocalyptic number.
1101420442 is an equidigital number, since it uses as much as digits as its factorization.
1101420442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 550710223.
The square root of 1101420442 is about 33187.6549638567. The cubic root of 1101420442 is about 1032.7242558615.
Adding to 1101420442 its reverse (2440241011), we get a palindrome (3541661453).
The spelling of 1101420442 in words is "one billion, one hundred one million, four hundred twenty thousand, four hundred forty-two".