1011113321023 has 16 divisors (see below), whose sum is σ = 1129508714880. Its totient is φ = 898695818496.

The previous prime is 1011113320979. The next prime is 1011113321117. The reversal of 1011113321023 is 3201233111101.

It is a cyclic number.

It is not a de Polignac number, because 1011113321023 - 2³⁷ = 873674367551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011113325023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3515590 + ... + 3792307.

It is an arithmetic number, because the mean of its divisors is an integer number (70594294680).

Almost surely, 2^{1011113321023} is an apocalyptic number.

1011113321023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1011113321023 is a deficient number, since it is larger than the sum of its proper divisors (118395393857).

1011113321023 is a wasteful number, since it uses less digits than its factorization.

1011113321023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7308306.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1011113321023 its reverse (3201233111101), we get a palindrome (4212346432124).

The spelling of 1011113321023 in words is "one trillion, eleven billion, one hundred thirteen million, three hundred twenty-one thousand, twenty-three".