220013121331121 has 8 divisors (see below), whose sum is σ = 220039408243200. Its totient is φ = 219986835148080.

The previous prime is 220013121331117. The next prime is 220013121331141. The reversal of 220013121331121 is 121133121310022.

It is a happy number.

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 220013121331121 - 2² = 220013121331117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220013121331141) 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, 813911216 + ... + 814181486.

It is an arithmetic number, because the mean of its divisors is an integer number (27504926030400).

Almost surely, 2^{220013121331121} is an apocalyptic number.

It is an amenable number.

220013121331121 is a deficient number, since it is larger than the sum of its proper divisors (26286912079).

220013121331121 is an equidigital number, since it uses as much as digits as its factorization.

220013121331121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364519.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 220013121331121 its reverse (121133121310022), we get a palindrome (341146242641143).

The spelling of 220013121331121 in words is "two hundred twenty trillion, thirteen billion, one hundred twenty-one million, three hundred thirty-one thousand, one hundred twenty-one".