1111210321003 has 16 divisors (see below), whose sum is σ = 1174951612800. Its totient is φ = 1047998952000.

The previous prime is 1111210320971. The next prime is 1111210321007. The reversal of 1111210321003 is 3001230121111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1111210321003 - 2⁵ = 1111210320971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111210321007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9494143 + ... + 9610471.

It is an arithmetic number, because the mean of its divisors is an integer number (73434475800).

Almost surely, 2^{1111210321003} is an apocalyptic number.

1111210321003 is a deficient number, since it is larger than the sum of its proper divisors (63741291797).

1111210321003 is a wasteful number, since it uses less digits than its factorization.

1111210321003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118602.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1111210321003 its reverse (3001230121111), we get a palindrome (4112440442114).

The spelling of 1111210321003 in words is "one trillion, one hundred eleven billion, two hundred ten million, three hundred twenty-one thousand, three".