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221202201100211 = 2312757753898801
BaseRepresentation
bin110010010010111010100110…
…100111101011111110110011
31002000012201112201120011001122
4302102322212213223332303
5212443134101440201321
62102242515513252455
764410221516153312
oct6222724647537663
91060181481504048
10221202201100211
1164533365878661
122098657570412b
13965737cb85976
143c8a35a852279
151a88e9be988ab
hexc92ea69ebfb3

221202201100211 has 8 divisors (see below), whose sum is σ = 230837781981984. Its totient is φ = 211568128041600.

The previous prime is 221202201100189. The next prime is 221202201100229. The reversal of 221202201100211 is 112001102202122.

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 221202201100211 - 214 = 221202201083827 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 221202201100211.

It is not an unprimeable number, because it can be changed into a prime (221202201100711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376655990 + ... + 377242811.

It is an arithmetic number, because the mean of its divisors is an integer number (28854722747748).

Almost surely, 2221202201100211 is an apocalyptic number.

221202201100211 is a deficient number, since it is larger than the sum of its proper divisors (9635580881773).

221202201100211 is a wasteful number, since it uses less digits than its factorization.

221202201100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753911581.

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

Adding to 221202201100211 its reverse (112001102202122), we get a palindrome (333203303302333).

The spelling of 221202201100211 in words is "two hundred twenty-one trillion, two hundred two billion, two hundred one million, one hundred thousand, two hundred eleven".

Divisors: 1 23 12757 293411 753898801 17339672423 9617487004357 221202201100211