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1322002112221 = 7190261992623
BaseRepresentation
bin10011001111001101011…
…101110101111011011101
311200101022121012120010101
4103033031131311323131
5133124430020042341
62451152553141101
7164340305355220
oct23171535657335
94611277176111
101322002112221
1146a72680080a
121942679ba791
139788350895b
1447db17195b7
15245c581e831
hex133cd775edd

1322002112221 has 8 divisors (see below), whose sum is σ = 1510869019904. Its totient is φ = 1133137570320.

The previous prime is 1322002112209. The next prime is 1322002112323. The reversal of 1322002112221 is 1222112002231.

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

It is not a de Polignac number, because 1322002112221 - 233 = 1313412177629 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 (1322002112201) 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, 835516 + ... + 1828138.

It is an arithmetic number, because the mean of its divisors is an integer number (188858627488).

Almost surely, 21322002112221 is an apocalyptic number.

It is an amenable number.

1322002112221 is a deficient number, since it is larger than the sum of its proper divisors (188866907683).

1322002112221 is an equidigital number, since it uses as much as digits as its factorization.

1322002112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182891.

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

Adding to 1322002112221 its reverse (1222112002231), we get a palindrome (2544114114452).

The spelling of 1322002112221 in words is "one trillion, three hundred twenty-two billion, two million, one hundred twelve thousand, two hundred twenty-one".

Divisors: 1 7 190261 992623 1331827 6948361 188857444603 1322002112221