1000322002221 has 8 divisors (see below), whose sum is σ = 1333795261344. Its totient is φ = 666865038960.

The previous prime is 1000322002181. The next prime is 1000322002259. The reversal of 1000322002221 is 1222002230001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1000322002221 - 2¹¹ = 1000322000173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1000322002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000322000221) 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, 3930006 + ... + 4176791.

It is an arithmetic number, because the mean of its divisors is an integer number (166724407668).

Almost surely, 2^{1000322002221} is an apocalyptic number.

It is an amenable number.

1000322002221 is a deficient number, since it is larger than the sum of its proper divisors (333473259123).

1000322002221 is an equidigital number, since it uses as much as digits as its factorization.

1000322002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8147931.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 1000322002221 its reverse (1222002230001), we get a palindrome (2222324232222).

The spelling of 1000322002221 in words is "one trillion, three hundred twenty-two million, two thousand, two hundred twenty-one".