1121321001002 has 8 divisors (see below), whose sum is σ = 1681986000000. Its totient is φ = 560659001004.

The previous prime is 1121321001001. The next prime is 1121321001121. The reversal of 1121321001002 is 2001001231211.

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

It is not an unprimeable number, because it can be changed into a prime (1121321001001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1028999 + ... + 1816997.

It is an arithmetic number, because the mean of its divisors is an integer number (210248250000).

Almost surely, 2^{1121321001002} is an apocalyptic number.

1121321001002 is a deficient number, since it is larger than the sum of its proper divisors (560664998998).

1121321001002 is an equidigital number, since it uses as much as digits as its factorization.

1121321001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499500.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1121321001002 its reverse (2001001231211), we get a palindrome (3122322232213).

The spelling of 1121321001002 in words is "one trillion, one hundred twenty-one billion, three hundred twenty-one million, one thousand, two".