1001123421422 has 8 divisors (see below), whose sum is σ = 1513509424896. Its totient is φ = 496620279792.

The previous prime is 1001123421421. The next prime is 1001123421433. The reversal of 1001123421422 is 2241243211001.

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 (1001123421421) 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 in 3 ways as a sum of consecutive naturals, for example, 1970715143 + ... + 1970715650.

It is an arithmetic number, because the mean of its divisors is an integer number (189188678112).

Almost surely, 2^{1001123421422} is an apocalyptic number.

1001123421422 is a deficient number, since it is larger than the sum of its proper divisors (512386003474).

1001123421422 is a wasteful number, since it uses less digits than its factorization.

1001123421422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941430922.

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

Adding to 1001123421422 its reverse (2241243211001), we get a palindrome (3242366632423).

The spelling of 1001123421422 in words is "one trillion, one billion, one hundred twenty-three million, four hundred twenty-one thousand, four hundred twenty-two".