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201022221201 = 3971748939499
BaseRepresentation
bin1011101100110111011…
…0111010101110010001
3201012212120202220100220
42323031312322232101
511243143142034301
6232203123503253
720344342454514
oct2731566725621
9635776686326
10201022221201
117828689210a
1232b61b27b29
1315c580397a9
149a2db74d7b
155368094936
hex2ecddbab91

201022221201 has 16 divisors (see below), whose sum is σ = 270815160000. Its totient is φ = 132622276608.

The previous prime is 201022221187. The next prime is 201022221221. The reversal of 201022221201 is 102122220102.

It is not a de Polignac number, because 201022221201 - 27 = 201022221073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201022221221) 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 15 ways as a sum of consecutive naturals, for example, 5069550 + ... + 5109048.

It is an arithmetic number, because the mean of its divisors is an integer number (16925947500).

Almost surely, 2201022221201 is an apocalyptic number.

It is an amenable number.

201022221201 is a deficient number, since it is larger than the sum of its proper divisors (69792938799).

201022221201 is a wasteful number, since it uses less digits than its factorization.

201022221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57088.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201022221201 its reverse (102122220102), we get a palindrome (303144441303).

The spelling of 201022221201 in words is "two hundred one billion, twenty-two million, two hundred twenty-one thousand, two hundred one".

Divisors: 1 3 97 291 17489 39499 52467 118497 1696433 3831403 5089299 11494209 690798011 2072394033 67007407067 201022221201