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2122012101001 = 132967313268403
BaseRepresentation
bin11110111000010001110…
…001110000100110001001
321111212021200010210010211
4132320101301300212021
5234231340044213001
64302501111441121
7306211303152112
oct36702161604611
97455250123124
102122012101001
11748a385681a1
122a33156861a1
13125149571a40
14749c5121209
153a2e9936351
hex1ee11c70989

2122012101001 has 32 divisors (see below), whose sum is σ = 2407004127360. Its totient is φ = 1857049818624.

The previous prime is 2122012100993. The next prime is 2122012101007. The reversal of 2122012101001 is 1001012102212.

It is not a de Polignac number, because 2122012101001 - 23 = 2122012100993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122012101007) 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 31 ways as a sum of consecutive naturals, for example, 7771866 + ... + 8040268.

It is an arithmetic number, because the mean of its divisors is an integer number (75218878980).

Almost surely, 22122012101001 is an apocalyptic number.

It is an amenable number.

2122012101001 is a deficient number, since it is larger than the sum of its proper divisors (284992026359).

2122012101001 is a wasteful number, since it uses less digits than its factorization.

2122012101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268825.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2122012101001 its reverse (1001012102212), we get a palindrome (3123024203213).

The spelling of 2122012101001 in words is "two trillion, one hundred twenty-two billion, twelve million, one hundred one thousand, one".

Divisors: 1 13 29 67 313 377 871 1943 4069 9077 20971 25259 118001 268403 272623 608159 3489239 7783687 7906067 17983001 84010139 101187931 233779013 521507029 1092131807 2436294031 5628679313 6779591377 31671822403 73172831069 163231700077 2122012101001