1001121120303 has 8 divisors (see below), whose sum is σ = 1337686466688. Its totient is φ = 665984927064.

The previous prime is 1001121120283. The next prime is 1001121120319. The reversal of 1001121120303 is 3030211211001.

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 1001121120303 - 2¹⁶ = 1001121054767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001121120323) 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, 357286651 + ... + 357289452.

It is an arithmetic number, because the mean of its divisors is an integer number (167210808336).

Almost surely, 2^{1001121120303} is an apocalyptic number.

1001121120303 is a deficient number, since it is larger than the sum of its proper divisors (336565346385).

1001121120303 is an equidigital number, since it uses as much as digits as its factorization.

1001121120303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714576573.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1001121120303 its reverse (3030211211001), we get a palindrome (4031332331304).

The spelling of 1001121120303 in words is "one trillion, one billion, one hundred twenty-one million, one hundred twenty thousand, three hundred three".