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2012122102111 = 1119231014144373
BaseRepresentation
bin11101010001111011110…
…100101011100101011111
321010100122020201102220221
4131101323310223211133
5230431311224231421
64140204531422211
7265241155446442
oct35217364534537
97110566642827
102012122102111
1170637751a5a0
12285b67754967
13117985aaa864
146d55c7b3659
153751731b841
hex1d47bd2b95f

2012122102111 has 32 divisors (see below), whose sum is σ = 2434902612480. Its totient is φ = 1641171312000.

The previous prime is 2012122102103. The next prime is 2012122102117. The reversal of 2012122102111 is 1112012212102.

It is not a de Polignac number, because 2012122102111 - 23 = 2012122102103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012122102117) 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, 1586680 + ... + 2557693.

It is an arithmetic number, because the mean of its divisors is an integer number (76090706640).

Almost surely, 22012122102111 is an apocalyptic number.

2012122102111 is a deficient number, since it is larger than the sum of its proper divisors (422780510369).

2012122102111 is a wasteful number, since it uses less digits than its factorization.

2012122102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4144527.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2012122102111 its reverse (1112012212102), we get a palindrome (3124134314213).

The spelling of 2012122102111 in words is "two trillion, twelve billion, one hundred twenty-two million, one hundred two thousand, one hundred eleven".

Divisors: 1 11 19 23 101 209 253 437 1111 1919 2323 4807 21109 25553 44137 485507 4144373 45588103 78743087 95320579 418581673 866173957 1048526369 1811091001 4604398403 7953051787 9627378479 19922001011 87483569657 105901163269 182920191101 2012122102111