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210201121201121 = 2831116376653351
BaseRepresentation
bin101111110010110101000011…
…001010010001101111100001
31000120021000211112212220200122
4233302311003022101233201
5210022413344011413441
62023021021215530025
762163346510663061
oct5762650312215741
91016230745786618
10210201121201121
1160a81881a93566
121b6aa476229915
139039b5aacb28b
1439c9b07ad13a1
151947c30ac934b
hexbf2d43291be1

210201121201121 has 8 divisors (see below), whose sum is σ = 210945802603584. Its totient is φ = 209456453329200.

The previous prime is 210201121201117. The next prime is 210201121201207. The reversal of 210201121201121 is 121102121102012.

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 210201121201121 - 22 = 210201121201117 is a prime.

It is a super-2 number, since 2×2102011212011212 (a number of 29 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 210201121201121.

It is not an unprimeable number, because it can be changed into a prime (210201121201021) 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, 28266596 + ... + 34919946.

It is an arithmetic number, because the mean of its divisors is an integer number (26368225325448).

Almost surely, 2210201121201121 is an apocalyptic number.

It is an amenable number.

210201121201121 is a deficient number, since it is larger than the sum of its proper divisors (744681402463).

210201121201121 is a wasteful number, since it uses less digits than its factorization.

210201121201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6765271.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 210201121201121 its reverse (121102121102012), we get a palindrome (331303242303133).

The spelling of 210201121201121 in words is "two hundred ten trillion, two hundred one billion, one hundred twenty-one million, two hundred one thousand, one hundred twenty-one".

Divisors: 1 283 111637 6653351 31593271 1882898333 742760145587 210201121201121