201121230330 has 48 divisors (see below), whose sum is σ = 522964076544. Its totient is φ = 53627315040.

The previous prime is 201121230287. The next prime is 201121230371. The reversal of 201121230330 is 33032121102.

201121230330 is a `hidden beast` number, since 201 + 12 + 123 + 0 + 330 = 666.

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

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 919207 + ... + 1116773.

It is an arithmetic number, because the mean of its divisors is an integer number (10895084928).

Almost surely, 2^201121230330 is an apocalyptic number.

201121230330 is an abundant number, since it is smaller than the sum of its proper divisors (321842846214).

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

201121230330 is a wasteful number, since it uses less digits than its factorization.

201121230330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208891 (or 208888 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 201121230330 its reverse (33032121102), we get a palindrome (234153351432).

The spelling of 201121230330 in words is "two hundred one billion, one hundred twenty-one million, two hundred thirty thousand, three hundred thirty".