111200010031 has 16 divisors (see below), whose sum is σ = 122794237440. Its totient is φ = 99853774720.

The previous prime is 111200010001. The next prime is 111200010073. The reversal of 111200010031 is 130010002111.

It is a cyclic number.

It is not a de Polignac number, because 111200010031 - 2¹⁹ = 111199485743 is a prime.

It is a super-2 number, since 2×111200010031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111200010001) 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, 7134615 + ... + 7150183.

It is an arithmetic number, because the mean of its divisors is an integer number (7674639840).

Almost surely, 2^111200010031 is an apocalyptic number.

111200010031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111200010031 is a deficient number, since it is larger than the sum of its proper divisors (11594227409).

111200010031 is a wasteful number, since it uses less digits than its factorization.

111200010031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23486.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 111200010031 its reverse (130010002111), we get a palindrome (241210012142).

The spelling of 111200010031 in words is "one hundred eleven billion, two hundred million, ten thousand, thirty-one".