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12210331321111 = 711158575731443
BaseRepresentation
bin1011000110101111000001…
…1101100000001100010111
31121020021222222120021112111
42301223300131200030113
53100023224304233421
641545203200131451
72400111251521150
oct261536035401427
947207888507474
1012210331321111
113988410787510
12145253b306b87
136a7577242401
14302da9c2a927
1516294339bee1
hexb1af0760317

12210331321111 has 8 divisors (see below), whose sum is σ = 15223270218624. Its totient is φ = 9514543886520.

The previous prime is 12210331321073. The next prime is 12210331321147. The reversal of 12210331321111 is 11112313301221.

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 12210331321111 - 233 = 12201741386519 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 (12210331321411) 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, 79287865645 + ... + 79287865798.

It is an arithmetic number, because the mean of its divisors is an integer number (1902908777328).

Almost surely, 212210331321111 is an apocalyptic number.

12210331321111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12210331321111 is a deficient number, since it is larger than the sum of its proper divisors (3012938897513).

12210331321111 is a wasteful number, since it uses less digits than its factorization.

12210331321111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158575731461.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 12210331321111 its reverse (11112313301221), we get a palindrome (23322644622332).

The spelling of 12210331321111 in words is "twelve trillion, two hundred ten billion, three hundred thirty-one million, three hundred twenty-one thousand, one hundred eleven".

Divisors: 1 7 11 77 158575731443 1110030120101 1744333045873 12210331321111