232221100122 has 40 divisors (see below), whose sum is σ = 567651582432. Its totient is φ = 70370029800.

The previous prime is 232221100103. The next prime is 232221100127. The reversal of 232221100122 is 221001122232.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 232221100095 and 232221100104.

It is not an unprimeable number, because it can be changed into a prime (232221100127) 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 in 19 ways as a sum of consecutive naturals, for example, 65155654 + ... + 65159217.

Almost surely, 2^232221100122 is an apocalyptic number.

232221100122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

232221100122 is an abundant number, since it is smaller than the sum of its proper divisors (335430482310).

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

232221100122 is a wasteful number, since it uses less digits than its factorization.

232221100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130314896 (or 130314887 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 232221100122 its reverse (221001122232), we get a palindrome (453222222354).

The spelling of 232221100122 in words is "two hundred thirty-two billion, two hundred twenty-one million, one hundred thousand, one hundred twenty-two".