1121201120321 has 8 divisors (see below), whose sum is σ = 1140252540000. Its totient is φ = 1102151301120.

The previous prime is 1121201120317. The next prime is 1121201120357. The reversal of 1121201120321 is 1230211021211.

It is a happy number.

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 1121201120321 - 2² = 1121201120317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121201120321.

It is not an unprimeable number, because it can be changed into a prime (1121201120311) 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, 1057601 + ... + 1833281.

It is an arithmetic number, because the mean of its divisors is an integer number (142531567500).

Almost surely, 2^{1121201120321} is an apocalyptic number.

It is an amenable number.

1121201120321 is a deficient number, since it is larger than the sum of its proper divisors (19051419679).

1121201120321 is an equidigital number, since it uses as much as digits as its factorization.

1121201120321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800239.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1121201120321 its reverse (1230211021211), we get a palindrome (2351412141532).

The spelling of 1121201120321 in words is "one trillion, one hundred twenty-one billion, two hundred one million, one hundred twenty thousand, three hundred twenty-one".