1121313103311 has 4 divisors (see below), whose sum is σ = 1495084137752. Its totient is φ = 747542068872.

The previous prime is 1121313103303. The next prime is 1121313103319. The reversal of 1121313103311 is 1133013131211.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1121313103303) and next prime (1121313103319).

It is not a de Polignac number, because 1121313103311 - 2³ = 1121313103303 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 (1121313103319) 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, 186885517216 + ... + 186885517221.

It is an arithmetic number, because the mean of its divisors is an integer number (373771034438).

Almost surely, 2^{1121313103311} is an apocalyptic number.

1121313103311 is a deficient number, since it is larger than the sum of its proper divisors (373771034441).

1121313103311 is an equidigital number, since it uses as much as digits as its factorization.

1121313103311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373771034440.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 1121313103311 its reverse (1133013131211), we get a palindrome (2254326234522).

The spelling of 1121313103311 in words is "one trillion, one hundred twenty-one billion, three hundred thirteen million, one hundred three thousand, three hundred eleven".