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12102222221101 = 23971970426861
BaseRepresentation
bin1011000000011100010010…
…1010000000111100101101
31120211221221200012222022101
42300013010222000330231
53041240322342033401
641423403435015101
72356233230366515
oct260070452007455
946757850188271
1012102222221101
113946583a37571
1214355a989a491
1369a30871104c
142dba71c22845
1515ec172b6101
hexb01c4a80f2d

12102222221101 has 8 divisors (see below), whose sum is σ = 12169761753600. Its totient is φ = 12034823544240.

The previous prime is 12102222221057. The next prime is 12102222221119. The reversal of 12102222221101 is 10112222220121.

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 12102222221101 - 215 = 12102222188333 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 (12102222281101) 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, 35041590 + ... + 35385271.

It is an arithmetic number, because the mean of its divisors is an integer number (1521220219200).

Almost surely, 212102222221101 is an apocalyptic number.

It is an amenable number.

12102222221101 is a deficient number, since it is larger than the sum of its proper divisors (67539532499).

12102222221101 is an equidigital number, since it uses as much as digits as its factorization.

12102222221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70427819.

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

Adding to 12102222221101 its reverse (10112222220121), we get a palindrome (22214444441222).

The spelling of 12102222221101 in words is "twelve trillion, one hundred two billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred one".

Divisors: 1 239 719 171841 70426861 16832019779 50636913059 12102222221101