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22111210210009 = 797176571571221
BaseRepresentation
bin1010000011100001010101…
…10101001000001011011001
32220021210220020221101000211
411001300222311020023121
510344232224303210014
6115005425535531121
74441324254511324
oct501605265101331
986253806841024
1022111210210009
1170553477a8698
122591373689aa1
13c451029a27ab
1456628c91b7bb
1528526b311cc4
hex141c2ad482d9

22111210210009 has 8 divisors (see below), whose sum is σ = 22140221184648. Its totient is φ = 22082202414720.

The previous prime is 22111210209971. The next prime is 22111210210013. The reversal of 22111210210009 is 90001201211122.

It can be written as a sum of positive squares in 4 ways, for example, as 3505402441984 + 18605807768025 = 1872272^2 + 4313445^2 .

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 22111210210009 - 239 = 21561454396121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22111210210099) 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 7 ways as a sum of consecutive naturals, for example, 13287019 + ... + 14858239.

It is an arithmetic number, because the mean of its divisors is an integer number (2767527648081).

Almost surely, 222111210210009 is an apocalyptic number.

It is an amenable number.

22111210210009 is a deficient number, since it is larger than the sum of its proper divisors (29010974639).

22111210210009 is a wasteful number, since it uses less digits than its factorization.

22111210210009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589675.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 22111210210009 in words is "twenty-two trillion, one hundred eleven billion, two hundred ten million, two hundred ten thousand, nine".

Divisors: 1 797 17657 1571221 14072629 1252263137 27743049197 22111210210009