1121013213013 has 4 divisors (see below), whose sum is σ = 1128437141728. Its totient is φ = 1113589284300.

The previous prime is 1121013212983. The next prime is 1121013213077. The reversal of 1121013213013 is 3103123101211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121013213013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121013213083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3711964131 + ... + 3711964432.

It is an arithmetic number, because the mean of its divisors is an integer number (282109285432).

Almost surely, 2^{1121013213013} is an apocalyptic number.

It is an amenable number.

1121013213013 is a deficient number, since it is larger than the sum of its proper divisors (7423928715).

1121013213013 is an equidigital number, since it uses as much as digits as its factorization.

1121013213013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7423928714.

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

Adding to 1121013213013 its reverse (3103123101211), we get a palindrome (4224136314224).

The spelling of 1121013213013 in words is "one trillion, one hundred twenty-one billion, thirteen million, two hundred thirteen thousand, thirteen".