220111222221202 has 8 divisors (see below), whose sum is σ = 355564282049676. Its totient is φ = 101589794871312.

The previous prime is 220111222221181. The next prime is 220111222221217. The reversal of 220111222221202 is 202122222111022.

It can be written as a sum of positive squares in 2 ways, for example, as 217332136511721 + 2779085709481 = 14742189^2 + 1667059^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×220111222221202² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4232908119613 + ... + 4232908119664.

Almost surely, 2^{220111222221202} is an apocalyptic number.

220111222221202 is a deficient number, since it is larger than the sum of its proper divisors (135453059828474).

220111222221202 is a wasteful number, since it uses less digits than its factorization.

220111222221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8465816239292.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 220111222221202 its reverse (202122222111022), we get a palindrome (422233444332224).

The spelling of 220111222221202 in words is "two hundred twenty trillion, one hundred eleven billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred two".