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222210101212210 = 2522221010121221
BaseRepresentation
bin110010100001100101010010…
…001001011111010000110010
31002010210002010000102211212101
4302201211102021133100302
5213111142241402242320
62104333524454451014
764543102312564666
oct6241452211372062
91063702100384771
10222210101212210
1164891858146631
1220b09981363a6a
1396cb426a8ca97
143cc30521a08a6
151aa52dc078c0a
hexca195225f432

222210101212210 has 8 divisors (see below), whose sum is σ = 399978182181996. Its totient is φ = 88884040484880.

The previous prime is 222210101212123. The next prime is 222210101212289. The reversal of 222210101212210 is 12212101012222.

It can be written as a sum of positive squares in 2 ways, for example, as 213847541919729 + 8362559292481 = 14623527^2 + 2891809^2 .

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

It is a super-2 number, since 2×2222101012122102 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11110505060601 + ... + 11110505060620.

Almost surely, 2222210101212210 is an apocalyptic number.

222210101212210 is a deficient number, since it is larger than the sum of its proper divisors (177768080969786).

222210101212210 is a wasteful number, since it uses less digits than its factorization.

222210101212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22221010121228.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222210101212210 its reverse (12212101012222), we get a palindrome (234422202224432).

The spelling of 222210101212210 in words is "two hundred twenty-two trillion, two hundred ten billion, one hundred one million, two hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 10 22221010121221 44442020242442 111105050606105 222210101212210