1001120211203 has 8 divisors (see below), whose sum is σ = 1155245515008. Its totient is φ = 849771940104.

The previous prime is 1001120211187. The next prime is 1001120211233. The reversal of 1001120211203 is 3021120211001.

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 1001120211203 - 2⁴ = 1001120211187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001120211233) 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, 694257401 + ... + 694258842.

It is an arithmetic number, because the mean of its divisors is an integer number (144405689376).

Almost surely, 2^{1001120211203} is an apocalyptic number.

1001120211203 is a deficient number, since it is larger than the sum of its proper divisors (154125303805).

1001120211203 is a wasteful number, since it uses less digits than its factorization.

1001120211203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388516353.

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

Adding to 1001120211203 its reverse (3021120211001), we get a palindrome (4022240422204).

The spelling of 1001120211203 in words is "one trillion, one billion, one hundred twenty million, two hundred eleven thousand, two hundred three".