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12102111211411 = 1343110571957997
BaseRepresentation
bin1011000000011011111000…
…0010100010111110010011
31120211221122221100002122101
42300012332002202332103
53041240110432231121
641423344431421231
72356230412001224
oct260067602427623
946757587302571
1012102111211411
113946527306321
121435578684817
1369a2bb714240
142dba611a724b
1515ec0c689491
hexb01be0a2f93

12102111211411 has 16 divisors (see below), whose sum is σ = 13337349800544. Its totient is φ = 10910392303104.

The previous prime is 12102111211343. The next prime is 12102111211417. The reversal of 12102111211411 is 11411211120121.

It is a cyclic number.

It is not a de Polignac number, because 12102111211411 - 215 = 12102111178643 is a prime.

It is a super-2 number, since 2×121021112114112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102111211417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5201865 + ... + 7159861.

It is an arithmetic number, because the mean of its divisors is an integer number (833584362534).

Almost surely, 212102111211411 is an apocalyptic number.

12102111211411 is a deficient number, since it is larger than the sum of its proper divisors (1235238589133).

12102111211411 is a wasteful number, since it uses less digits than its factorization.

12102111211411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969110.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 12102111211411 its reverse (11411211120121), we get a palindrome (23513322331532).

The spelling of 12102111211411 in words is "twelve trillion, one hundred two billion, one hundred eleven million, two hundred eleven thousand, four hundred eleven".

Divisors: 1 13 43 559 11057 143741 475451 1957997 6180863 25453961 84193871 1094520323 21649572829 281444446777 930931631647 12102111211411