1021110112003 has 8 divisors (see below), whose sum is σ = 1046575580400. Its totient is φ = 995671326720.

The previous prime is 1021110111991. The next prime is 1021110112079. The reversal of 1021110112003 is 3002110111201.

It is a happy number.

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 1021110112003 - 2¹⁷ = 1021109980931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021110112703) 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, 6593278 + ... + 6746371.

It is an arithmetic number, because the mean of its divisors is an integer number (130821947550).

Almost surely, 2^{1021110112003} is an apocalyptic number.

1021110112003 is a deficient number, since it is larger than the sum of its proper divisors (25465468397).

1021110112003 is a wasteful number, since it uses less digits than its factorization.

1021110112003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13341557.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1021110112003 its reverse (3002110111201), we get a palindrome (4023220223204).

The spelling of 1021110112003 in words is "one trillion, twenty-one billion, one hundred ten million, one hundred twelve thousand, three".