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2122210122101 = 53174172299001
BaseRepresentation
bin11110111000011101100…
…101001001100101110101
321111212210110202022000122
4132320131211021211311
5234232241242401401
64302532504021325
7306216226255106
oct36703545114565
97455713668018
102122210122101
1174902a3193a3
122a336ba61845
1312517b5b53a4
1474a0354a3ad
153a30beee21b
hex1ee1d949975

2122210122101 has 8 divisors (see below), whose sum is σ = 2162376909144. Its totient is φ = 2082047968000.

The previous prime is 2122210122013. The next prime is 2122210122139. The reversal of 2122210122101 is 1012210122212.

It can be written as a sum of positive squares in 4 ways, for example, as 1253448180625 + 868761941476 = 1119575^2 + 932074^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2122210122101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122210122101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122210122161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226400 + ... + 2072601.

It is an arithmetic number, because the mean of its divisors is an integer number (270297113643).

Almost surely, 22122210122101 is an apocalyptic number.

It is an amenable number.

2122210122101 is a deficient number, since it is larger than the sum of its proper divisors (40166787043).

2122210122101 is a wasteful number, since it uses less digits than its factorization.

2122210122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316471.

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

Adding to 2122210122101 its reverse (1012210122212), we get a palindrome (3134420244313).

The spelling of 2122210122101 in words is "two trillion, one hundred twenty-two billion, two hundred ten million, one hundred twenty-two thousand, one hundred one".

Divisors: 1 53 17417 923101 2299001 121847053 40041700417 2122210122101