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12102220220111 = 72843608121211
BaseRepresentation
bin1011000000011100010010…
…0010011000011011001111
31120211221221112110022110122
42300013010202120123033
53041240321334020421
641423403324055155
72356233204363650
oct260070442303317
946757845408418
1012102220220111
1139465828a015a
1214355a90944bb
1369a308190328
142dba71861527
1515ec1701d2ab
hexb01c48986cf

12102220220111 has 8 divisors (see below), whose sum is σ = 13835973815424. Its totient is φ = 10369682872920.

The previous prime is 12102220220099. The next prime is 12102220220191. The reversal of 12102220220111 is 11102202220121.

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

It is not a de Polignac number, because 12102220220111 - 214 = 12102220203727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12102220220111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102220220191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304040705 + ... + 304080506.

It is an arithmetic number, because the mean of its divisors is an integer number (1729496726928).

Almost surely, 212102220220111 is an apocalyptic number.

12102220220111 is a deficient number, since it is larger than the sum of its proper divisors (1733753595313).

12102220220111 is an equidigital number, since it uses as much as digits as its factorization.

12102220220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608124061.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12102220220111 its reverse (11102202220121), we get a palindrome (23204422440232).

The spelling of 12102220220111 in words is "twelve trillion, one hundred two billion, two hundred twenty million, two hundred twenty thousand, one hundred eleven".

Divisors: 1 7 2843 19901 608121211 4256848477 1728888602873 12102220220111