111230233331 has 16 divisors (see below), whose sum is σ = 127627089408. Its totient is φ = 94960641600.

The previous prime is 111230233313. The next prime is 111230233357. The reversal of 111230233331 is 133332032111.

It is a cyclic number.

It is not a de Polignac number, because 111230233331 - 2²² = 111226039027 is a prime.

It is a super-2 number, since 2×111230233331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111230233297 and 111230233306.

It is not an unprimeable number, because it can be changed into a prime (111230233391) 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 15 ways as a sum of consecutive naturals, for example, 2440391 + ... + 2485551.

It is an arithmetic number, because the mean of its divisors is an integer number (7976693088).

Almost surely, 2^111230233331 is an apocalyptic number.

111230233331 is a deficient number, since it is larger than the sum of its proper divisors (16396856077).

111230233331 is a wasteful number, since it uses less digits than its factorization.

111230233331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46562.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 111230233331 its reverse (133332032111), we get a palindrome (244562265442).

The spelling of 111230233331 in words is "one hundred eleven billion, two hundred thirty million, two hundred thirty-three thousand, three hundred thirty-one".