1001342221 has 8 divisors (see below), whose sum is σ = 1119017088. Its totient is φ = 888108000.

The previous prime is 1001342219. The next prime is 1001342231. The reversal of 1001342221 is 1222431001.

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 1001342221 - 2¹ = 1001342219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001342195 and 1001342204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001342201) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1109685 + ... + 1110586.

It is an arithmetic number, because the mean of its divisors is an integer number (139877136).

Almost surely, 2^1001342221 is an apocalyptic number.

1001342221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1001342221 is a deficient number, since it is larger than the sum of its proper divisors (117674867).

1001342221 is a wasteful number, since it uses less digits than its factorization.

1001342221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220323.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1001342221 is about 31643.9918625953. The cubic root of 1001342221 is about 1000.4472069761.

Adding to 1001342221 its reverse (1222431001), we get a palindrome (2223773222).

The spelling of 1001342221 in words is "one billion, one million, three hundred forty-two thousand, two hundred twenty-one".