220121210013 has 8 divisors (see below), whose sum is σ = 293497264800. Its totient is φ = 146746314288.

The previous prime is 220121210011. The next prime is 220121210027. The reversal of 220121210013 is 310012121022.

220121210013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 220121210013 - 2¹ = 220121210011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220121209974 and 220121210001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220121210011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364243 + ... + 756911.

It is an arithmetic number, because the mean of its divisors is an integer number (36687158100).

Almost surely, 2^220121210013 is an apocalyptic number.

It is an amenable number.

220121210013 is a deficient number, since it is larger than the sum of its proper divisors (73376054787).

220121210013 is a wasteful number, since it uses less digits than its factorization.

220121210013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579531.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 220121210013 its reverse (310012121022), we get a palindrome (530133331035).

The spelling of 220121210013 in words is "two hundred twenty billion, one hundred twenty-one million, two hundred ten thousand, thirteen".