111131202131111 has 8 divisors (see below), whose sum is σ = 112538343041280. Its totient is φ = 109724071641912.

The previous prime is 111131202131107. The next prime is 111131202131119.

111131202131111 is nontrivially palindromic in base 10.

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 111131202131111 - 2² = 111131202131107 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 (111131202131119) 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, 20103416 + ... + 25028178.

It is an arithmetic number, because the mean of its divisors is an integer number (14067292880160).

Almost surely, 2^{111131202131111} is an apocalyptic number.

111131202131111 is a deficient number, since it is larger than the sum of its proper divisors (1407140910169).

111131202131111 is an equidigital number, since it uses as much as digits as its factorization.

111131202131111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5210485.

The product of its (nonzero) digits is 36, while the sum is 20.

It can be divided in two parts, 11113120 and 2131111, that added together give a palindrome (13244231).

The spelling of 111131202131111 in words is "one hundred eleven trillion, one hundred thirty-one billion, two hundred two million, one hundred thirty-one thousand, one hundred eleven".