1011003113321 has 16 divisors (see below), whose sum is σ = 1022680608768. Its totient is φ = 999363258000.

The previous prime is 1011003113317. The next prime is 1011003113347. The reversal of 1011003113321 is 1233113001101.

It is a cyclic number.

It is not a de Polignac number, because 1011003113321 - 2² = 1011003113317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011003113321.

It is not an unprimeable number, because it can be changed into a prime (1011003113371) 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, 156717146 + ... + 156723596.

It is an arithmetic number, because the mean of its divisors is an integer number (63917538048).

Almost surely, 2^{1011003113321} is an apocalyptic number.

It is an amenable number.

1011003113321 is a deficient number, since it is larger than the sum of its proper divisors (11677495447).

1011003113321 is a wasteful number, since it uses less digits than its factorization.

1011003113321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9092.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1011003113321 its reverse (1233113001101), we get a palindrome (2244116114422).

The spelling of 1011003113321 in words is "one trillion, eleven billion, three million, one hundred thirteen thousand, three hundred twenty-one".