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2111101222201 = 29711049977411
BaseRepresentation
bin11110101110000111011…
…100000011110100111001
321110211010021101201012121
4132232013130003310321
5234042013403102301
64253454305441241
7305344025211616
oct36560734036471
97424107351177
102111101222201
11744349670494
122a118b640221
131240cac4c33a
147426c00d50d
1539dabaed3a1
hex1eb87703d39

2111101222201 has 16 divisors (see below), whose sum is σ = 2216770416000. Its totient is φ = 2007678332800.

The previous prime is 2111101222159. The next prime is 2111101222247. The reversal of 2111101222201 is 1022221011112.

It is a cyclic number.

It is not a de Polignac number, because 2111101222201 - 217 = 2111101091129 is a prime.

It is a super-3 number, since 3×21111012222013 (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111101822201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1671186 + ... + 2648596.

It is an arithmetic number, because the mean of its divisors is an integer number (138548151000).

Almost surely, 22111101222201 is an apocalyptic number.

It is an amenable number.

2111101222201 is a deficient number, since it is larger than the sum of its proper divisors (105669193799).

2111101222201 is a wasteful number, since it uses less digits than its factorization.

2111101222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978560.

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

Adding to 2111101222201 its reverse (1022221011112), we get a palindrome (3133322233313).

The spelling of 2111101222201 in words is "two trillion, one hundred eleven billion, one hundred one million, two hundred twenty-two thousand, two hundred one".

Divisors: 1 29 71 1049 2059 30421 74479 977411 2159891 28344919 69396181 1025304139 2012489249 29733820031 72796593869 2111101222201