111311021232232 has 8 divisors (see below), whose sum is σ = 208708164810450. Its totient is φ = 55655510616112.

The previous prime is 111311021232143. The next prime is 111311021232283. The reversal of 111311021232232 is 232232120113111.

It can be written as a sum of positive squares in only one way, i.e., 98188558452196 + 13122462780036 = 9909014^2 + 3622494^2 .

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

It is a super-2 number, since 2×111311021232232² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111311021232197 and 111311021232206.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6956938827007 + ... + 6956938827022.

Almost surely, 2^{111311021232232} is an apocalyptic number.

It is an amenable number.

111311021232232 is a deficient number, since it is larger than the sum of its proper divisors (97397143578218).

111311021232232 is a wasteful number, since it uses less digits than its factorization.

111311021232232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13913877654035 (or 13913877654031 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 111311021232232 its reverse (232232120113111), we get a palindrome (343543141345343).

The spelling of 111311021232232 in words is "one hundred eleven trillion, three hundred eleven billion, twenty-one million, two hundred thirty-two thousand, two hundred thirty-two".