111201132031 has 8 divisors (see below), whose sum is σ = 122560948944. Its totient is φ = 100049752320.

The previous prime is 111201132019. The next prime is 111201132047. The reversal of 111201132031 is 130231102111.

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 111201132031 - 2¹⁵ = 111201099263 is a prime.

It is a super-2 number, since 2×111201132031² (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 = 111201131996 and 111201132014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111201132001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52108180 + ... + 52110313.

It is an arithmetic number, because the mean of its divisors is an integer number (15320118618).

Almost surely, 2^111201132031 is an apocalyptic number.

111201132031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111201132031 is a deficient number, since it is larger than the sum of its proper divisors (11359816913).

111201132031 is a wasteful number, since it uses less digits than its factorization.

111201132031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104218601.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111201132031 its reverse (130231102111), we get a palindrome (241432234142).

The spelling of 111201132031 in words is "one hundred eleven billion, two hundred one million, one hundred thirty-two thousand, thirty-one".