111402112231 has 16 divisors (see below), whose sum is σ = 118156068864. Its totient is φ = 104812085664.

The previous prime is 111402112207. The next prime is 111402112247. The reversal of 111402112231 is 132211204111.

It is a cyclic number.

It is not a de Polignac number, because 111402112231 - 2⁹ = 111402111719 is a prime.

It is a super-2 number, since 2×111402112231² (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 = 111402112199 and 111402112208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111402112631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 989866 + ... + 1096648.

It is an arithmetic number, because the mean of its divisors is an integer number (7384754304).

Almost surely, 2^111402112231 is an apocalyptic number.

111402112231 is a deficient number, since it is larger than the sum of its proper divisors (6753956633).

111402112231 is a wasteful number, since it uses less digits than its factorization.

111402112231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107550.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 111402112231 its reverse (132211204111), we get a palindrome (243613316342).

The spelling of 111402112231 in words is "one hundred eleven billion, four hundred two million, one hundred twelve thousand, two hundred thirty-one".