220030213121 has 8 divisors (see below), whose sum is σ = 232988580864. Its totient is φ = 207073558080.

The previous prime is 220030213097. The next prime is 220030213147. The reversal of 220030213121 is 121312030022.

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 220030213121 - 2³⁰ = 218956471297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 220030213121.

It is not an unprimeable number, because it can be changed into a prime (220030213171) 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 7 ways as a sum of consecutive naturals, for example, 158825 + ... + 682118.

It is an arithmetic number, because the mean of its divisors is an integer number (29123572608).

Almost surely, 2^220030213121 is an apocalyptic number.

It is an amenable number.

220030213121 is a deficient number, since it is larger than the sum of its proper divisors (12958367743).

220030213121 is a wasteful number, since it uses less digits than its factorization.

220030213121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856351.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 220030213121 its reverse (121312030022), we get a palindrome (341342243143).

The spelling of 220030213121 in words is "two hundred twenty billion, thirty million, two hundred thirteen thousand, one hundred twenty-one".