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22101220012211 = 160128319487469
BaseRepresentation
bin1010000011001110101110…
…10111100011000010110011
32220020212010000121201222222
411001213113113203002303
510344101244310342321
6115001054343151255
74440521556313244
oct501472727430263
986225100551888
1022101220012211
11705109057917a
12258b445a4552b
13c441a0037b52
145659c1bcaccb
15284d8423d3ab
hex1419d75e30b3

22101220012211 has 8 divisors (see below), whose sum is σ = 22115850940800. Its totient is φ = 22086590118400.

The previous prime is 22101220012177. The next prime is 22101220012279. The reversal of 22101220012211 is 11221002210122.

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-22101220012211 is a prime.

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 22101220012211.

It is not an unprimeable number, because it can be changed into a prime (22101220012411) 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, 45094985 + ... + 45582453.

It is an arithmetic number, because the mean of its divisors is an integer number (2764481367600).

Almost surely, 222101220012211 is an apocalyptic number.

22101220012211 is a deficient number, since it is larger than the sum of its proper divisors (14630928589).

22101220012211 is a wasteful number, since it uses less digits than its factorization.

22101220012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517389.

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

Adding to 22101220012211 its reverse (11221002210122), we get a palindrome (33322222222333).

The spelling of 22101220012211 in words is "twenty-two trillion, one hundred one billion, two hundred twenty million, twelve thousand, two hundred eleven".

Divisors: 1 1601 28319 487469 45338719 780437869 13804634611 22101220012211