220220212201021 has 8 divisors (see below), whose sum is σ = 232563618544320. Its totient is φ = 208107523733472.

The previous prime is 220220212200977. The next prime is 220220212201043. The reversal of 220220212201021 is 120102212022022.

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 220220212201021 - 2⁷ = 220220212200893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220220212201021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220220212201081) 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, 57679466976 + ... + 57679470793.

It is an arithmetic number, because the mean of its divisors is an integer number (29070452318040).

Almost surely, 2^{220220212201021} is an apocalyptic number.

It is an amenable number.

220220212201021 is a deficient number, since it is larger than the sum of its proper divisors (12343406343299).

220220212201021 is a wasteful number, since it uses less digits than its factorization.

220220212201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115358937875.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 220220212201021 its reverse (120102212022022), we get a palindrome (340322424223043).

The spelling of 220220212201021 in words is "two hundred twenty trillion, two hundred twenty billion, two hundred twelve million, two hundred one thousand, twenty-one".