113202321228 has 48 divisors (see below), whose sum is σ = 297867928960. Its totient is φ = 37170909072.

The previous prime is 113202321191. The next prime is 113202321247. The reversal of 113202321228 is 822123202311.

113202321228 is a `hidden beast` number, since 11 + 320 + 2 + 321 + 2 + 2 + 8 = 666.

It is a super-3 number, since 3×113202321228³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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, 7814926 + ... + 7829397.

Almost surely, 2^113202321228 is an apocalyptic number.

113202321228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

113202321228 is an abundant number, since it is smaller than the sum of its proper divisors (184665607732).

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

113202321228 is a wasteful number, since it uses less digits than its factorization.

113202321228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15644403 (or 15644395 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 113202321228 its reverse (822123202311), we get a palindrome (935325523539).

The spelling of 113202321228 in words is "one hundred thirteen billion, two hundred two million, three hundred twenty-one thousand, two hundred twenty-eight".