111311100232 has 8 divisors (see below), whose sum is σ = 208708312950. Its totient is φ = 55655550112.

The previous prime is 111311100211. The next prime is 111311100239. The reversal of 111311100232 is 232001113111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 106272088036 + 5039012196 = 325994^2 + 70986^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×111311100232² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111311100239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6956943757 + ... + 6956943772.

Almost surely, 2^111311100232 is an apocalyptic number.

It is an amenable number.

111311100232 is a deficient number, since it is larger than the sum of its proper divisors (97397212718).

111311100232 is a wasteful number, since it uses less digits than its factorization.

111311100232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13913887535 (or 13913887531 counting only the distinct ones).

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

Adding to 111311100232 its reverse (232001113111), we get a palindrome (343312213343).

The spelling of 111311100232 in words is "one hundred eleven billion, three hundred eleven million, one hundred thousand, two hundred thirty-two".