1121111310013 has 8 divisors (see below), whose sum is σ = 1149801896376. Its totient is φ = 1092484838400.

The previous prime is 1121111309957. The next prime is 1121111310017. The reversal of 1121111310013 is 3100131111211.

It can be written as a sum of positive squares in 4 ways, for example, as 182621184964 + 938490125049 = 427342^2 + 968757^2 .

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 1121111310013 - 2⁹ = 1121111309501 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 (1121111310017) 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, 15993268 + ... + 16063213.

It is an arithmetic number, because the mean of its divisors is an integer number (143725237047).

Almost surely, 2^{1121111310013} is an apocalyptic number.

It is an amenable number.

1121111310013 is a deficient number, since it is larger than the sum of its proper divisors (28690586363).

1121111310013 is an equidigital number, since it uses as much as digits as its factorization.

1121111310013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32057375.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 1121111310013 its reverse (3100131111211), we get a palindrome (4221242421224).

The spelling of 1121111310013 in words is "one trillion, one hundred twenty-one billion, one hundred eleven million, three hundred ten thousand, thirteen".