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2122122020201 = 53241967171811
BaseRepresentation
bin11110111000011000010…
…101000100010101101001
321111212120022222020221022
4132320120111010111221
5234232101214121301
64302520035422225
7306214106356211
oct36703025042551
97455508866838
102122122020201
11748a94614107
122a3346454975
131251662793a1
14749d5975241
153a3043e9d1b
hex1ee18544569

2122122020201 has 16 divisors (see below), whose sum is σ = 2173391561088. Its totient is φ = 2071286380800.

The previous prime is 2122122020191. The next prime is 2122122020237. The reversal of 2122122020201 is 1020202212212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2122122020201 - 210 = 2122122019177 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 2122122020201.

It is not an unprimeable number, because it can be changed into a prime (2122122020801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12265586 + ... + 12437396.

It is an arithmetic number, because the mean of its divisors is an integer number (135836972568).

Almost surely, 22122122020201 is an apocalyptic number.

It is an amenable number.

2122122020201 is a deficient number, since it is larger than the sum of its proper divisors (51269540887).

2122122020201 is a wasteful number, since it uses less digits than its factorization.

2122122020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173072.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2122122020201 its reverse (1020202212212), we get a palindrome (3142324232413).

The spelling of 2122122020201 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-two million, twenty thousand, two hundred one".

Divisors: 1 53 241 967 12773 51251 171811 233047 9105983 12351491 41406451 166141237 2194541903 8805485561 40040038117 2122122020201