1003011211203 has 16 divisors (see below), whose sum is σ = 1369002302976. Its totient is φ = 652859696160.

The previous prime is 1003011211141. The next prime is 1003011211207. The reversal of 1003011211203 is 3021121103001.

It is a happy number.

It is not a de Polignac number, because 1003011211203 - 2⁸ = 1003011210947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1003011211207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1249963 + ... + 1889028.

It is an arithmetic number, because the mean of its divisors is an integer number (85562643936).

Almost surely, 2^{1003011211203} is an apocalyptic number.

1003011211203 is a deficient number, since it is larger than the sum of its proper divisors (365991091773).

1003011211203 is a wasteful number, since it uses less digits than its factorization.

1003011211203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141514.

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

Adding to 1003011211203 its reverse (3021121103001), we get a palindrome (4024132314204).

The spelling of 1003011211203 in words is "one trillion, three billion, eleven million, two hundred eleven thousand, two hundred three".