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211111101111112 = 2379334036552391
BaseRepresentation
bin110000000000000100100010…
…001100001001101101001000
31000200111000122121121221201221
4300000010202030021231020
5210132321013341023422
62024555033451251424
762316162613413106
oct6000044214115510
91020430577557657
10211111101111112
11612a2795a16454
121b8168b4749b74
1390a48cb05c467
143a1bb906cac76
15196173e3463c7
hexc00122309b48

211111101111112 has 16 divisors (see below), whose sum is σ = 400843862870400. Its totient is φ = 104219404345680.

The previous prime is 211111101111073. The next prime is 211111101111121.

211111101111112 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×2111111011111123 (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167018275564 + ... + 167018276827.

It is an arithmetic number, because the mean of its divisors is an integer number (25052741429400).

Almost surely, 2211111101111112 is an apocalyptic number.

It is an amenable number.

211111101111112 is a deficient number, since it is larger than the sum of its proper divisors (189732761759288).

211111101111112 is a wasteful number, since it uses less digits than its factorization.

211111101111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334036552476 (or 334036552472 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 16.

It can be divided in two parts, 21111110 and 1111112, that added together give a palindrome (22222222).

The spelling of 211111101111112 in words is "two hundred eleven trillion, one hundred eleven billion, one hundred one million, one hundred eleven thousand, one hundred twelve".

Divisors: 1 2 4 8 79 158 316 632 334036552391 668073104782 1336146209564 2672292419128 26388887638889 52777775277778 105555550555556 211111101111112