10142121442 has 8 divisors (see below), whose sum is σ = 15213609936. Its totient is φ = 5070918132.

The previous prime is 10142121433. The next prime is 10142121461. The reversal of 10142121442 is 24412124101.

10142121442 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 an unprimeable number.

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, 98313 + ... + 173059.

It is an arithmetic number, because the mean of its divisors is an integer number (1901701242).

Almost surely, 2^10142121442 is an apocalyptic number.

10142121442 is a deficient number, since it is larger than the sum of its proper divisors (5071488494).

10142121442 is an equidigital number, since it uses as much as digits as its factorization.

10142121442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142592.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 10142121442 its reverse (24412124101), we get a palindrome (34554245543).

The spelling of 10142121442 in words is "ten billion, one hundred forty-two million, one hundred twenty-one thousand, four hundred forty-two".