330011211221 has 8 divisors (see below), whose sum is σ = 330693269760. Its totient is φ = 329329256752.

The previous prime is 330011211217. The next prime is 330011211269. The reversal of 330011211221 is 122112110033.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 330011211221 - 2² = 330011211217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 330011211221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330011261221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11541140 + ... + 11569698.

It is an arithmetic number, because the mean of its divisors is an integer number (41336658720).

Almost surely, 2^330011211221 is an apocalyptic number.

It is an amenable number.

330011211221 is a deficient number, since it is larger than the sum of its proper divisors (682058539).

330011211221 is a wasteful number, since it uses less digits than its factorization.

330011211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52035.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 330011211221 its reverse (122112110033), we get a palindrome (452123321254).

The spelling of 330011211221 in words is "three hundred thirty billion, eleven million, two hundred eleven thousand, two hundred twenty-one".