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2122221112103 is a prime number
BaseRepresentation
bin11110111000011110001…
…111000100101100100111
321111212211020102122110202
4132320132033010230213
5234232302101041403
64302533535341115
7306216421546661
oct36703617045447
97455736378422
102122221112103
11749035545344
122a337368179b
13125180962751
1474a04bab531
153a30ce70688
hex1ee1e3c4b27

2122221112103 has 2 divisors, whose sum is σ = 2122221112104. Its totient is φ = 2122221112102.

The previous prime is 2122221112087. The next prime is 2122221112127. The reversal of 2122221112103 is 3012111222212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2122221112103 - 24 = 2122221112087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122221112163) 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 as a sum of consecutive naturals, namely, 1061110556051 + 1061110556052.

It is an arithmetic number, because the mean of its divisors is an integer number (1061110556052).

Almost surely, 22122221112103 is an apocalyptic number.

2122221112103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122221112103 is an equidigital number, since it uses as much as digits as its factorization.

2122221112103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2122221112103 its reverse (3012111222212), we get a palindrome (5134332334315).

The spelling of 2122221112103 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred twelve thousand, one hundred three".