10221031244342 has 4 divisors (see below), whose sum is σ = 15331546866516. Its totient is φ = 5110515622170.

The previous prime is 10221031244341. The next prime is 10221031244363. The reversal of 10221031244342 is 24344213012201.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221031244341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555257811084 + ... + 2555257811087.

It is an arithmetic number, because the mean of its divisors is an integer number (3832886716629).

Almost surely, 2^{10221031244342} is an apocalyptic number.

10221031244342 is a deficient number, since it is larger than the sum of its proper divisors (5110515622174).

10221031244342 is an equidigital number, since it uses as much as digits as its factorization.

10221031244342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110515622173.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 10221031244342 its reverse (24344213012201), we get a palindrome (34565244256543).

The spelling of 10221031244342 in words is "ten trillion, two hundred twenty-one billion, thirty-one million, two hundred forty-four thousand, three hundred forty-two".