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201110212212211 = 19163552711749069
BaseRepresentation
bin101101101110100010011110…
…110000100111010111110011
3222101001221121110202221212001
4231232202132300213113303
5202324442203311242321
61551420431150114431
760234506352363511
oct5556423660472763
9871057543687761
10201110212212211
11590973a8952545
121a68060b1aba17
13882a7c49c6373
143793b014d14b1
15183b51136ac91
hexb6e89ec275f3

201110212212211 has 16 divisors (see below), whose sum is σ = 213032257388800. Its totient is φ = 189322319923488.

The previous prime is 201110212212199. The next prime is 201110212212293. The reversal of 201110212212211 is 112212212011102.

It is a happy number.

It is not a de Polignac number, because 201110212212211 - 211 = 201110212210163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201110212312211) 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, 11242585 + ... + 22991653.

It is an arithmetic number, because the mean of its divisors is an integer number (13314516086800).

Almost surely, 2201110212212211 is an apocalyptic number.

201110212212211 is a deficient number, since it is larger than the sum of its proper divisors (11922045176589).

201110212212211 is a wasteful number, since it uses less digits than its factorization.

201110212212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11754778.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 201110212212211 its reverse (112212212011102), we get a palindrome (313322424223313).

The spelling of 201110212212211 in words is "two hundred one trillion, one hundred ten billion, two hundred twelve million, two hundred twelve thousand, two hundred eleven".

Divisors: 1 19 163 3097 5527 105013 900901 11749069 17117119 223232311 1915098247 36386866693 64937104363 1233804982897 10584748011169 201110212212211