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2122010220121 = 111791077709609
BaseRepresentation
bin11110111000010001101…
…010100101011001011001
321111212021112121020001121
4132320101222211121121
5234231334104020441
64302501003245241
7306211251156361
oct36702152453131
97455245536047
102122010220121
11748a374a3050
122a3314b19821
131251490638ac
14749c4b919a1
153a2e96b3dd1
hex1ee11aa5659

2122010220121 has 8 divisors (see below), whose sum is σ = 2327852757600. Its totient is φ = 1918323102240.

The previous prime is 2122010220097. The next prime is 2122010220179. The reversal of 2122010220121 is 1210220102212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2122010220121 - 225 = 2121976665689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122010220095 and 2122010220104.

It is not an unprimeable number, because it can be changed into a prime (2122010220181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538852836 + ... + 538856773.

It is an arithmetic number, because the mean of its divisors is an integer number (290981594700).

Almost surely, 22122010220121 is an apocalyptic number.

It is an amenable number.

2122010220121 is a deficient number, since it is larger than the sum of its proper divisors (205842537479).

2122010220121 is a wasteful number, since it uses less digits than its factorization.

2122010220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077709799.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2122010220121 its reverse (1210220102212), we get a palindrome (3332230322333).

The spelling of 2122010220121 in words is "two trillion, one hundred twenty-two billion, ten million, two hundred twenty thousand, one hundred twenty-one".

Divisors: 1 11 179 1969 1077709609 11854805699 192910020011 2122010220121