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22122120200201 = 719352331309037
BaseRepresentation
bin1010000011110101101010…
…00111011100000000001001
32220022212001121000022000122
411001322311013130000021
510344422100232401301
6115014432310513025
74442161522061030
oct501726507340011
986285047008018
1022122120200201
117059a3614880a
1225934b9365775
13c461510738a8
14566a0587b717
152856a902181b
hex141eb51dc009

22122120200201 has 16 divisors (see below), whose sum is σ = 25462012535424. Its totient is φ = 18827500944384.

The previous prime is 22122120200197. The next prime is 22122120200281. The reversal of 22122120200201 is 10200202122122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22122120200201 - 22 = 22122120200197 is a prime.

It is a super-2 number, since 2×221221202002012 (a number of 27 digits) contains 22 as substring.

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 22122120200201.

It is not an unprimeable number, because it can be changed into a prime (22122120200281) 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, 14947946 + ... + 16361091.

It is an arithmetic number, because the mean of its divisors is an integer number (1591375783464).

Almost surely, 222122120200201 is an apocalyptic number.

It is an amenable number.

22122120200201 is a deficient number, since it is larger than the sum of its proper divisors (3339892335223).

22122120200201 is a wasteful number, since it uses less digits than its factorization.

22122120200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31309760.

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

Adding to 22122120200201 its reverse (10200202122122), we get a palindrome (32322322322323).

The spelling of 22122120200201 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred twenty million, two hundred thousand, two hundred one".

Divisors: 1 7 193 523 1351 3661 100939 706573 31309037 219163259 6042644141 16374626351 42298508987 114622384457 3160302885743 22122120200201