220133001121221 has 16 divisors (see below), whose sum is σ = 296620628863104. Its totient is φ = 145201211664384.

The previous prime is 220133001121217. The next prime is 220133001121237. The reversal of 220133001121221 is 122121100331022.

It is not a de Polignac number, because 220133001121221 - 2² = 220133001121217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220133001191221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106213620 + ... + 108266333.

It is an arithmetic number, because the mean of its divisors is an integer number (18538789303944).

Almost surely, 2^{220133001121221} is an apocalyptic number.

It is an amenable number.

220133001121221 is a deficient number, since it is larger than the sum of its proper divisors (76487627741883).

220133001121221 is a wasteful number, since it uses less digits than its factorization.

220133001121221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214483580.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 220133001121221 its reverse (122121100331022), we get a palindrome (342254101452243).

The spelling of 220133001121221 in words is "two hundred twenty trillion, one hundred thirty-three billion, one million, one hundred twenty-one thousand, two hundred twenty-one".