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111201222200221 = 1031240218705167
BaseRepresentation
bin11001010010001100001101…
…010110010000101110011101
3112120201201210101001002121101
4121102030031112100232131
5104033410100340401341
61032301045232233101
732265010643662546
oct3122141526205635
9476651711032541
10111201222200221
113248319aa1640a
121057b66039b791
134a082cbb5435a
141d6624c8d74cd
15ccc8eb871831
hex65230d590b9d

111201222200221 has 8 divisors (see below), whose sum is σ = 112281763952384. Its totient is φ = 110120698106640.

The previous prime is 111201222200207. The next prime is 111201222200273. The reversal of 111201222200221 is 122002222102111.

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 111201222200221 - 231 = 111199074716573 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 (111201222201221) 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, 8421580 + ... + 17126746.

It is an arithmetic number, because the mean of its divisors is an integer number (14035220494048).

Almost surely, 2111201222200221 is an apocalyptic number.

It is an amenable number.

111201222200221 is a deficient number, since it is larger than the sum of its proper divisors (1080541752163).

111201222200221 is a wasteful number, since it uses less digits than its factorization.

111201222200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8829291.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111201222200221 its reverse (122002222102111), we get a palindrome (233203444302332).

The spelling of 111201222200221 in words is "one hundred eleven trillion, two hundred one billion, two hundred twenty-two million, two hundred thousand, two hundred twenty-one".

Divisors: 1 103 124021 8705167 12774163 896632201 1079623516507 111201222200221