1001200011203 has 4 divisors (see below), whose sum is σ = 1144228584240. Its totient is φ = 858171438168.

The previous prime is 1001200011181. The next prime is 1001200011209. The reversal of 1001200011203 is 3021100021001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1001200011203 - 2⁶ = 1001200011139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001200011209) 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, 71514286508 + ... + 71514286521.

It is an arithmetic number, because the mean of its divisors is an integer number (286057146060).

Almost surely, 2^{1001200011203} is an apocalyptic number.

1001200011203 is a deficient number, since it is larger than the sum of its proper divisors (143028573037).

1001200011203 is an equidigital number, since it uses as much as digits as its factorization.

1001200011203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143028573036.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1001200011203 its reverse (3021100021001), we get a palindrome (4022300032204).

The spelling of 1001200011203 in words is "one trillion, one billion, two hundred million, eleven thousand, two hundred three".