220201212102222 has 256 divisors, whose sum is σ = 494697257349120. Its totient is φ = 64920402892800.

The previous prime is 220201212102199. The next prime is 220201212102239. The reversal of 220201212102222 is 222201212102022.

It is a super-2 number, since 2×220201212102222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 25613722828 + ... + 25613731424.

It is an arithmetic number, because the mean of its divisors is an integer number (1932411161520).

Almost surely, 2^{220201212102222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220201212102222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247348628674560).

220201212102222 is an abundant number, since it is smaller than the sum of its proper divisors (274496045246898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220201212102222 is a wasteful number, since it uses less digits than its factorization.

220201212102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9659.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 220201212102222 its reverse (222201212102022), we get a palindrome (442402424204244).

The spelling of 220201212102222 in words is "two hundred twenty trillion, two hundred one billion, two hundred twelve million, one hundred two thousand, two hundred twenty-two".