1111321322013 has 32 divisors (see below), whose sum is σ = 1751919298560. Its totient is φ = 613113842880.

The previous prime is 1111321322011. The next prime is 1111321322021. The reversal of 1111321322013 is 3102231231111.

It is not a de Polignac number, because 1111321322013 - 2¹ = 1111321322011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111321322011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22780858 + ... + 22829588.

It is an arithmetic number, because the mean of its divisors is an integer number (54747478080).

Almost surely, 2^{1111321322013} is an apocalyptic number.

It is an amenable number.

1111321322013 is a deficient number, since it is larger than the sum of its proper divisors (640597976547).

1111321322013 is a wasteful number, since it uses less digits than its factorization.

1111321322013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86217.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1111321322013 its reverse (3102231231111), we get a palindrome (4213552553124).

The spelling of 1111321322013 in words is "one trillion, one hundred eleven billion, three hundred twenty-one million, three hundred twenty-two thousand, thirteen".