111333021132 has 12 divisors (see below), whose sum is σ = 259777049336. Its totient is φ = 37111007040.

The previous prime is 111333021119. The next prime is 111333021133. The reversal of 111333021132 is 231120333111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×111333021132² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111333021099 and 111333021108.

It is not an unprimeable number, because it can be changed into a prime (111333021133) 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 3 ways as a sum of consecutive naturals, for example, 4638875869 + ... + 4638875892.

Almost surely, 2^111333021132 is an apocalyptic number.

111333021132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111333021132 is an abundant number, since it is smaller than the sum of its proper divisors (148444028204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111333021132 is a wasteful number, since it uses less digits than its factorization.

111333021132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9277751768 (or 9277751766 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 111333021132 its reverse (231120333111), we get a palindrome (342453354243).

The spelling of 111333021132 in words is "one hundred eleven billion, three hundred thirty-three million, twenty-one thousand, one hundred thirty-two".