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120202211210201 = 181699794912193
BaseRepresentation
bin11011010101001011000010…
…000110011011001111011001
3120202121012220202211211120222
4123111023002012123033121
5111223343112032211301
61103352044500525425
734214215564130141
oct3325130206331731
9522535822754528
10120202211210201
113533352062135a
1211593bb13b0875
13520c0348a3b43
142197b64aa9921
15dd6b06cad31b
hex6d52c219b3d9

120202211210201 has 8 divisors (see below), whose sum is σ = 120883587117384. Its totient is φ = 119521025141760.

The previous prime is 120202211210173. The next prime is 120202211210209. The reversal of 120202211210201 is 102012112202021.

It can be written as a sum of positive squares in 4 ways, for example, as 9214405954576 + 110987805255625 = 3035524^2 + 10535075^2 .

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 120202211210201 - 214 = 120202211193817 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 120202211210201.

It is not an unprimeable number, because it can be changed into a prime (120202211210209) 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, 46189640 + ... + 48722553.

It is an arithmetic number, because the mean of its divisors is an integer number (15110448389673).

Almost surely, 2120202211210201 is an apocalyptic number.

It is an amenable number.

120202211210201 is a deficient number, since it is larger than the sum of its proper divisors (681375907183).

120202211210201 is an equidigital number, since it uses as much as digits as its factorization.

120202211210201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94919371.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120202211210201 its reverse (102012112202021), we get a palindrome (222214323412222).

The spelling of 120202211210201 in words is "one hundred twenty trillion, two hundred two billion, two hundred eleven million, two hundred ten thousand, two hundred one".

Divisors: 1 181 6997 1266457 94912193 17179106933 664100614421 120202211210201