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221120010120211 = 1549714268568763
BaseRepresentation
bin110010010001101110000011…
…101001111110110000010011
31001222220212101200201202112021
4302101232003221332300103
5212440312240042321321
62102141044051312311
764401251661311026
oct6221560351766023
91058825350652467
10221120010120211
1164501519142904
1220972657bab697
13964c6b1b59ca7
143c863a0b071bd
151a86c8b490941
hexc91b83a7ec13

221120010120211 has 4 divisors (see below), whose sum is σ = 221134278704472. Its totient is φ = 221105741535952.

The previous prime is 221120010120197. The next prime is 221120010120271. The reversal of 221120010120211 is 112021010021122.

221120010120211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 221120010120211 - 29 = 221120010119699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221120010120271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7134268885 + ... + 7134299878.

It is an arithmetic number, because the mean of its divisors is an integer number (55283569676118).

Almost surely, 2221120010120211 is an apocalyptic number.

221120010120211 is a deficient number, since it is larger than the sum of its proper divisors (14268584261).

221120010120211 is a wasteful number, since it uses less digits than its factorization.

221120010120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14268584260.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221120010120211 its reverse (112021010021122), we get a palindrome (333141020141333).

The spelling of 221120010120211 in words is "two hundred twenty-one trillion, one hundred twenty billion, ten million, one hundred twenty thousand, two hundred eleven".

Divisors: 1 15497 14268568763 221120010120211