1111310131111 has 16 divisors (see below), whose sum is σ = 1178718870528. Its totient is φ = 1044128448000.

The previous prime is 1111310131013. The next prime is 1111310131121.

It is a happy number.

1111310131111 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 1111310131111 - 2¹¹ = 1111310129063 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 (1111310131121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109905946 + ... + 109916056.

It is an arithmetic number, because the mean of its divisors is an integer number (73669929408).

Almost surely, 2^{1111310131111} is an apocalyptic number.

1111310131111 is a deficient number, since it is larger than the sum of its proper divisors (67408739417).

1111310131111 is a wasteful number, since it uses less digits than its factorization.

1111310131111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20682.

The product of its (nonzero) digits is 9, while the sum is 16.

It can be divided in two parts, 1111310 and 131111, that added together give a palindrome (1242421).

The spelling of 1111310131111 in words is "one trillion, one hundred eleven billion, three hundred ten million, one hundred thirty-one thousand, one hundred eleven".