111131232222101 has 8 divisors (see below), whose sum is σ = 136776901196544. Its totient is φ = 87928007911920.

The previous prime is 111131232222079. The next prime is 111131232222287. The reversal of 111131232222101 is 101222232131111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111131232222101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111131232222001) 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, 610611165965 + ... + 610611166146.

It is an arithmetic number, because the mean of its divisors is an integer number (17097112649568).

Almost surely, 2^{111131232222101} is an apocalyptic number.

It is an amenable number.

111131232222101 is a deficient number, since it is larger than the sum of its proper divisors (25645668974443).

111131232222101 is a wasteful number, since it uses less digits than its factorization.

111131232222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221222332131.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 111131232222101 its reverse (101222232131111), we get a palindrome (212353464353212).

It can be divided in two parts, 111131 and 232222101, that added together give a palindrome (232333232).

The spelling of 111131232222101 in words is "one hundred eleven trillion, one hundred thirty-one billion, two hundred thirty-two million, two hundred twenty-two thousand, one hundred one".