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220201010101201 = 1712991285477499
BaseRepresentation
bin110010000100010110001010…
…111111000111101111010001
31001212200000022000001201002011
4302010112022333013233101
5212330233132041214301
62100154540355422521
764244666210115043
oct6204261277075721
91055600260051064
10220201010101201
11641877a6634568
12208445208b4a41
1395b3b34c278ac
143c53b0017da93
151a6ce00dc3a51
hexc8458afc7bd1

220201010101201 has 4 divisors (see below), whose sum is σ = 220202295750000. Its totient is φ = 220199724452404.

The previous prime is 220201010101187. The next prime is 220201010101207. The reversal of 220201010101201 is 102101010102022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220201010101201 - 227 = 220200875883473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220201010101207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642567451 + ... + 642910048.

It is an arithmetic number, because the mean of its divisors is an integer number (55050573937500).

Almost surely, 2220201010101201 is an apocalyptic number.

It is an amenable number.

220201010101201 is a deficient number, since it is larger than the sum of its proper divisors (1285648799).

220201010101201 is a wasteful number, since it uses less digits than its factorization.

220201010101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285648798.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220201010101201 its reverse (102101010102022), we get a palindrome (322302020203223).

The spelling of 220201010101201 in words is "two hundred twenty trillion, two hundred one billion, ten million, one hundred one thousand, two hundred one".

Divisors: 1 171299 1285477499 220201010101201