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120221201211211 = 1791269752896497
BaseRepresentation
bin11011010101011100101101…
…111111100001111101001011
3120202200000221012212211200201
4123111130231333201331023
5111224201010002224321
61103404505110313031
734215460303356442
oct3325345577417513
9522600835784621
10120221201211211
1135340585a18171
1211597811058777
135210a6cc50329
142198a46b9dd59
15dd7369020291
hex6d572dfe1f4b

120221201211211 has 8 divisors (see below), whose sum is σ = 120902351688720. Its totient is φ = 119540156552448.

The previous prime is 120221201211203. The next prime is 120221201211269. The reversal of 120221201211211 is 112112102122021.

It is a happy number.

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 120221201211211 - 23 = 120221201211203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120221201221211) 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, 24175486 + ... + 28721011.

It is an arithmetic number, because the mean of its divisors is an integer number (15112793961090).

Almost surely, 2120221201211211 is an apocalyptic number.

120221201211211 is a deficient number, since it is larger than the sum of its proper divisors (681150477509).

120221201211211 is a wasteful number, since it uses less digits than its factorization.

120221201211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52909373.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 120221201211211 its reverse (112112102122021), we get a palindrome (232333303333232).

The spelling of 120221201211211 in words is "one hundred twenty trillion, two hundred twenty-one billion, two hundred one million, two hundred eleven thousand, two hundred eleven".

Divisors: 1 179 12697 2272763 52896497 9468472963 671626822409 120221201211211