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2122100121223 = 47347293944273
BaseRepresentation
bin11110111000010111000…
…001100001111010000111
321111212111210202200012001
4132320113001201322013
5234232030112334343
64302513534210131
7306213422260615
oct36702701417207
97455453680161
102122100121223
11748a83217085
122a333b053947
1312516187c804
14749d2ab46b5
153a30252144d
hex1ee17061e87

2122100121223 has 16 divisors (see below), whose sum is σ = 2174285514240. Its totient is φ = 2070212200576.

The previous prime is 2122100121217. The next prime is 2122100121299. The reversal of 2122100121223 is 3221210012212.

It is a cyclic number.

It is not a de Polignac number, because 2122100121223 - 221 = 2122098024071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2122100121223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122100124223) 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, 47910015 + ... + 47954287.

It is an arithmetic number, because the mean of its divisors is an integer number (135892844640).

Almost surely, 22122100121223 is an apocalyptic number.

2122100121223 is a deficient number, since it is larger than the sum of its proper divisors (52185393017).

2122100121223 is a wasteful number, since it uses less digits than its factorization.

2122100121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47606.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2122100121223 its reverse (3221210012212), we get a palindrome (5343310133435).

The spelling of 2122100121223 in words is "two trillion, one hundred twenty-two billion, one hundred million, one hundred twenty-one thousand, two hundred twenty-three".

Divisors: 1 47 347 2939 16309 44273 138133 1019833 2080831 15362731 47932151 130118347 722048357 6115562309 45151066409 2122100121223