111101320031 has 8 divisors (see below), whose sum is σ = 122193269184. Its totient is φ = 100373041440.

The previous prime is 111101320027. The next prime is 111101320051. The reversal of 111101320031 is 130023101111.

It is a happy number.

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 111101320031 - 2² = 111101320027 is a prime.

It is a super-2 number, since 2×111101320031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111101319988 and 111101320015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111101320021) 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, 90917000 + ... + 90918221.

It is an arithmetic number, because the mean of its divisors is an integer number (15274158648).

Almost surely, 2^111101320031 is an apocalyptic number.

111101320031 is a deficient number, since it is larger than the sum of its proper divisors (11091949153).

111101320031 is a wasteful number, since it uses less digits than its factorization.

111101320031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181835281.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 111101320031 its reverse (130023101111), we get a palindrome (241124421142).

The spelling of 111101320031 in words is "one hundred eleven billion, one hundred one million, three hundred twenty thousand, thirty-one".