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20221201210131 = 338927277308501
BaseRepresentation
bin1001001100100000111011…
…00000111101101100010011
32122121010110021120020221000
410212100131200331230103
510122301010002211011
6111001254103433043
74154635134211065
oct446203540755423
978533407506830
1020221201210131
116496843a101a9
122327007455783
13b38b0ab06a5c
144dc9d5d8b735
15250eee750356
hex12641d83db13

20221201210131 has 32 divisors (see below), whose sum is σ = 30295143201600. Its totient is φ = 13328799264000.

The previous prime is 20221201210117. The next prime is 20221201210201. The reversal of 20221201210131 is 13101210212202.

20221201210131 is a `hidden beast` number, since 2 + 0 + 221 + 201 + 210 + 1 + 31 = 666.

It is not a de Polignac number, because 20221201210131 - 219 = 20221200685843 is a prime.

It is a super-2 number, since 2×202212012101312 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20221201260131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65392381 + ... + 65700881.

It is an arithmetic number, because the mean of its divisors is an integer number (946723225050).

Almost surely, 220221201210131 is an apocalyptic number.

20221201210131 is a deficient number, since it is larger than the sum of its proper divisors (10073941991469).

20221201210131 is a wasteful number, since it uses less digits than its factorization.

20221201210131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335876 (or 335870 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 20221201210131 its reverse (13101210212202), we get a palindrome (33322411422333).

The spelling of 20221201210131 in words is "twenty trillion, two hundred twenty-one billion, two hundred one million, two hundred ten thousand, one hundred thirty-one".

Divisors: 1 3 9 27 89 267 801 2403 27277 81831 245493 308501 736479 925503 2427653 2776509 7282959 8329527 21848877 27456589 65546631 82369767 247109301 741327903 8414981777 25244945331 75734835993 227204507979 748933378153 2246800134459 6740400403377 20221201210131