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21211121201119 = 612291518442351
BaseRepresentation
bin1001101001010100110010…
…10110000010111111011111
32210002202121111200011112221
410310222121112002333133
510240010334011413434
6113040130552410211
74316311233253543
oct464523126027737
983082544604487
1021211121201119
116838649a44133
122466a356a6967
13bab27a950905
145348a37a5a23
1526bb3b0a22b4
hex134a99582fdf

21211121201119 has 8 divisors (see below), whose sum is σ = 21652987939520. Its totient is φ = 20772291348000.

The previous prime is 21211121201057. The next prime is 21211121201143. The reversal of 21211121201119 is 91110212111212.

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 21211121201119 - 241 = 19012097945567 is a prime.

It is a super-2 number, since 2×212111212011192 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21211121201093 and 21211121201102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21211121201189) 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, 759207207 + ... + 759235144.

It is an arithmetic number, because the mean of its divisors is an integer number (2706623492440).

Almost surely, 221211121201119 is an apocalyptic number.

21211121201119 is a deficient number, since it is larger than the sum of its proper divisors (441866738401).

21211121201119 is a wasteful number, since it uses less digits than its factorization.

21211121201119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518442641.

The product of its (nonzero) digits is 144, while the sum is 25.

The spelling of 21211121201119 in words is "twenty-one trillion, two hundred eleven billion, one hundred twenty-one million, two hundred one thousand, one hundred nineteen".

Divisors: 1 61 229 13969 1518442351 92624983411 347723298379 21211121201119