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2012221010111 = 135471093725873
BaseRepresentation
bin11101010010000001101…
…101111111000010111111
321010100220010211111012012
4131102001231333002333
5230432012034310421
64140222423401435
7265243466243114
oct35220155770277
97110803744165
102012221010111
11706418335644
12285b948b327b
131179a042b2c0
146d56b99c90b
1537520d5795b
hex1d481b7f0bf

2012221010111 has 16 divisors (see below), whose sum is σ = 2171251277664. Its totient is φ = 1853797929984.

The previous prime is 2012221010089. The next prime is 2012221010119. The reversal of 2012221010111 is 1110101222102.

It is a de Polignac number, because none of the positive numbers 2k-2012221010111 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 (2012221010119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77760071 + ... + 77785943.

It is an arithmetic number, because the mean of its divisors is an integer number (135703204854).

Almost surely, 22012221010111 is an apocalyptic number.

2012221010111 is a deficient number, since it is larger than the sum of its proper divisors (159030267553).

2012221010111 is a wasteful number, since it uses less digits than its factorization.

2012221010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37370.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2012221010111 its reverse (1110101222102), we get a palindrome (3122322232213).

The spelling of 2012221010111 in words is "two trillion, twelve billion, two hundred twenty-one million, ten thousand, one hundred eleven".

Divisors: 1 13 547 7111 10937 25873 142181 336349 5982539 14152531 77773007 183982903 282973001 3678649013 154786231547 2012221010111