220132121111221 has 8 divisors (see below), whose sum is σ = 240149378397600. Its totient is φ = 200115738204240.

The previous prime is 220132121111219. The next prime is 220132121111323. The reversal of 220132121111221 is 122111121231022.

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 220132121111221 - 2¹ = 220132121111219 is a prime.

It is a super-2 number, since 2×220132121111221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220132121111192 and 220132121111201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220132121112221) 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, 218068386 + ... + 219075523.

It is an arithmetic number, because the mean of its divisors is an integer number (30018672299700).

Almost surely, 2^{220132121111221} is an apocalyptic number.

It is an amenable number.

220132121111221 is a deficient number, since it is larger than the sum of its proper divisors (20017257286379).

220132121111221 is a wasteful number, since it uses less digits than its factorization.

220132121111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437189699.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 220132121111221 its reverse (122111121231022), we get a palindrome (342243242342243).

The spelling of 220132121111221 in words is "two hundred twenty trillion, one hundred thirty-two billion, one hundred twenty-one million, one hundred eleven thousand, two hundred twenty-one".