220032220121 has 8 divisors (see below), whose sum is σ = 251688136320. Its totient is φ = 188431989408.

The previous prime is 220032220103. The next prime is 220032220139. The reversal of 220032220121 is 121022230022.

It is an interprime number because it is at equal distance from previous prime (220032220103) and next prime (220032220139).

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 220032220121 - 2¹⁴ = 220032203737 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 220032220121.

It is not an unprimeable number, because it can be changed into a prime (220032220321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13912901 + ... + 13928706.

It is an arithmetic number, because the mean of its divisors is an integer number (31461017040).

Almost surely, 2^220032220121 is an apocalyptic number.

It is an amenable number.

220032220121 is a deficient number, since it is larger than the sum of its proper divisors (31655916199).

220032220121 is a wasteful number, since it uses less digits than its factorization.

220032220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27842743.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 220032220121 its reverse (121022230022), we get a palindrome (341054450143).

Subtracting from 220032220121 its reverse (121022230022), we obtain a palindrome (99009990099).

The spelling of 220032220121 in words is "two hundred twenty billion, thirty-two million, two hundred twenty thousand, one hundred twenty-one".