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2211102122012 = 22785219267449
BaseRepresentation
bin100000001011001111111…
…101001110000000011100
321211101020111201202202122
4200023033331032000130
5242211314120401022
64411433304042112
7315514112635520
oct40131775160034
97741214652678
102211102122012
117827a5560633
122b8639763338
131306769b54c4
1479037225d80
153c7b0e64742
hex202cff4e01c

2211102122012 has 24 divisors (see below), whose sum is σ = 4422723698400. Its totient is φ = 947503883520.

The previous prime is 2211102121997. The next prime is 2211102122071. The reversal of 2211102122012 is 2102212011122.

It is a congruent number.

It is an unprimeable number.

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, 4395137 + ... + 4872312.

It is an arithmetic number, because the mean of its divisors is an integer number (184280154100).

Almost surely, 22211102122012 is an apocalyptic number.

It is an amenable number.

2211102122012 is an abundant number, since it is smaller than the sum of its proper divisors (2211621576388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2211102122012 is a wasteful number, since it uses less digits than its factorization.

2211102122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9275981 (or 9275979 counting only the distinct ones).

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

Adding to 2211102122012 its reverse (2102212011122), we get a palindrome (4313314133134).

The spelling of 2211102122012 in words is "two trillion, two hundred eleven billion, one hundred two million, one hundred twenty-two thousand, twelve".

Divisors: 1 2 4 7 14 28 8521 17042 34084 59647 119294 238588 9267449 18534898 37069796 64872143 129744286 259488572 78967932929 157935865858 315871731716 552775530503 1105551061006 2211102122012