1001321422005 has 8 divisors (see below), whose sum is σ = 1602114275232. Its totient is φ = 534038091728.

The previous prime is 1001321422001. The next prime is 1001321422021. The reversal of 1001321422005 is 5002241231001.

1001321422005 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 a cyclic number.

It is not a de Polignac number, because 1001321422005 - 2² = 1001321422001 is a prime.

It is a super-2 number, since 2×1001321422005² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001321422001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33377380719 + ... + 33377380748.

It is an arithmetic number, because the mean of its divisors is an integer number (200264284404).

Almost surely, 2^{1001321422005} is an apocalyptic number.

1001321422005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1001321422005 is a deficient number, since it is larger than the sum of its proper divisors (600792853227).

1001321422005 is an equidigital number, since it uses as much as digits as its factorization.

1001321422005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66754761475.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 1001321422005 its reverse (5002241231001), we get a palindrome (6003562653006).

The spelling of 1001321422005 in words is "one trillion, one billion, three hundred twenty-one million, four hundred twenty-two thousand, five".