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222201221201210 = 2522220122120121
BaseRepresentation
bin110010100001011101000000…
…110110111011110100111010
31002010202020012011010112211002
4302201131000312323310322
5213111021100111414320
62104325455401205002
764542336255001046
oct6241350066736472
91063666164115732
10222201221201210
1164889010659969
1220b08103490762
1396ca6401316c4
143cc284caa1026
151aa4e6c69e675
hexca1740dbbd3a

222201221201210 has 8 divisors (see below), whose sum is σ = 399962198162196. Its totient is φ = 88880488480480.

The previous prime is 222201221201159. The next prime is 222201221201233. The reversal of 222201221201210 is 12102122102222.

It can be written as a sum of positive squares in 2 ways, for example, as 220831101789769 + 1370119411441 = 14860387^2 + 1170521^2 .

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

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, 11110061060051 + ... + 11110061060070.

Almost surely, 2222201221201210 is an apocalyptic number.

222201221201210 is a deficient number, since it is larger than the sum of its proper divisors (177760976960986).

222201221201210 is a wasteful number, since it uses less digits than its factorization.

222201221201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22220122120128.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222201221201210 its reverse (12102122102222), we get a palindrome (234303343303432).

The spelling of 222201221201210 in words is "two hundred twenty-two trillion, two hundred one billion, two hundred twenty-one million, two hundred one thousand, two hundred ten".

Divisors: 1 2 5 10 22220122120121 44440244240242 111100610600605 222201221201210