221101303332330 has 24 divisors (see below), whose sum is σ = 574863388664292. Its totient is φ = 58960347555264.

The previous prime is 221101303332311. The next prime is 221101303332331. The reversal of 221101303332330 is 33233303101122.

221101303332330 is a `hidden beast` number, since 2 + 2 + 1 + 1 + 0 + 1 + 303 + 3 + 323 + 30 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 215272367098569 + 5828936233761 = 14672163^2 + 2414319^2 .

It is a junction number, because it is equal to n+sod(n) for n = 221101303332294 and 221101303332303.

It is not an unprimeable number, because it can be changed into a prime (221101303332331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1228340573979 + ... + 1228340574158.

Almost surely, 2^{221101303332330} is an apocalyptic number.

221101303332330 is an abundant number, since it is smaller than the sum of its proper divisors (353762085331962).

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

221101303332330 is a wasteful number, since it uses less digits than its factorization.

221101303332330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2456681148150 (or 2456681148147 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 221101303332330 its reverse (33233303101122), we get a palindrome (254334606433452).

The spelling of 221101303332330 in words is "two hundred twenty-one trillion, one hundred one billion, three hundred three million, three hundred thirty-two thousand, three hundred thirty".