330021220121011 has 4 divisors (see below), whose sum is σ = 338940712556752. Its totient is φ = 321101727685272.

The previous prime is 330021220120979. The next prime is 330021220121027. The reversal of 330021220121011 is 110121022120033.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 330021220121011 - 2⁵ = 330021220120979 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 330021220121011.

It is not an unprimeable number, because it can be changed into a prime (330021220521011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4459746217815 + ... + 4459746217888.

It is an arithmetic number, because the mean of its divisors is an integer number (84735178139188).

Almost surely, 2^{330021220121011} is an apocalyptic number.

330021220121011 is a deficient number, since it is larger than the sum of its proper divisors (8919492435741).

330021220121011 is an equidigital number, since it uses as much as digits as its factorization.

330021220121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8919492435740.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 330021220121011 its reverse (110121022120033), we get a palindrome (440142242241044).

The spelling of 330021220121011 in words is "three hundred thirty trillion, twenty-one billion, two hundred twenty million, one hundred twenty-one thousand, eleven".