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2220222112021 = 67173891905667
BaseRepresentation
bin100000010011101111100…
…011001110000100010101
321212020210002121021010101
4200103233203032010111
5242334003330041041
64415542253054101
7316256113366624
oct40235743160425
97766702537111
102220222112021
11786655557061
122ba363a87331
1313149b287cb4
14796605536bb
153cb46943b31
hex204ef8ce115

2220222112021 has 8 divisors (see below), whose sum is σ = 2253490523360. Its totient is φ = 2186957546928.

The previous prime is 2220222112013. The next prime is 2220222112033. The reversal of 2220222112021 is 1202112220222.

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 2220222112021 - 23 = 2220222112013 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 2220222112021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220222112081) 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, 212230 + ... + 2117896.

It is an arithmetic number, because the mean of its divisors is an integer number (281686315420).

Almost surely, 22220222112021 is an apocalyptic number.

It is an amenable number.

2220222112021 is a deficient number, since it is larger than the sum of its proper divisors (33268411339).

2220222112021 is a wasteful number, since it uses less digits than its factorization.

2220222112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923123.

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

Adding to 2220222112021 its reverse (1202112220222), we get a palindrome (3422334332243).

The spelling of 2220222112021 in words is "two trillion, two hundred twenty billion, two hundred twenty-two million, one hundred twelve thousand, twenty-one".

Divisors: 1 67 17389 1165063 1905667 127679689 33137643463 2220222112021