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222021001111201 = 1574313332785721
BaseRepresentation
bin110010011110110101001010…
…111001110110011010100001
31002010010000000022020101211121
4302132311022321312122201
5213100043002241024301
62104111012335212241
764523326244341105
oct6236651271663241
91063100008211747
10222021001111201
116481963a062916
1220a991a8077081
1396b664ba1a7a6
143cb7c33973905
151aa04209be3a1
hexc9ed4ae766a1

222021001111201 has 8 divisors (see below), whose sum is σ = 223440334574184. Its totient is φ = 220601733306240.

The previous prime is 222021001111193. The next prime is 222021001111207. The reversal of 222021001111201 is 102111100120222.

It can be written as a sum of positive squares in 4 ways, for example, as 3421671250176 + 218599329861025 = 1849776^2 + 14785105^2 .

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 222021001111201 - 23 = 222021001111193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222021001111207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9620980 + ... + 23164741.

It is an arithmetic number, because the mean of its divisors is an integer number (27930041821773).

Almost surely, 2222021001111201 is an apocalyptic number.

It is an amenable number.

222021001111201 is a deficient number, since it is larger than the sum of its proper divisors (1419333462983).

222021001111201 is a wasteful number, since it uses less digits than its factorization.

222021001111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32829011.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 222021001111201 its reverse (102111100120222), we get a palindrome (324132101231423).

The spelling of 222021001111201 in words is "two hundred twenty-two trillion, twenty-one billion, one million, one hundred eleven thousand, two hundred one".

Divisors: 1 157 43133 6771881 32785721 5147358197 1414146503893 222021001111201