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220212212112111 = 3260930269929497
BaseRepresentation
bin110010000100100000100110…
…101011011001101011101111
31001212201002012200121211012010
4302010200212223121223233
5212330424102300041421
62100204032121412303
764245543621462012
oct6204404653315357
91055632180554163
10220212212112111
11641915248a911a
122084672833a093
1395b4bcb96190b
143c54483bd7379
151a6d359568076
hexc84826ad9aef

220212212112111 has 16 divisors (see below), whose sum is σ = 293738842562400. Its totient is φ = 146746865384448.

The previous prime is 220212212112077. The next prime is 220212212112121. The reversal of 220212212112111 is 111211212212022.

220212212112111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220212212112111 - 211 = 220212212110063 is a prime.

It is a super-2 number, since 2×2202122121121112 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220212212112121) 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, 236450715 + ... + 237380211.

It is an arithmetic number, because the mean of its divisors is an integer number (18358677660150).

Almost surely, 2220212212112111 is an apocalyptic number.

220212212112111 is a deficient number, since it is larger than the sum of its proper divisors (73526630450289).

220212212112111 is a wasteful number, since it uses less digits than its factorization.

220212212112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962378.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 220212212112111 its reverse (111211212212022), we get a palindrome (331423424324133).

The spelling of 220212212112111 in words is "two hundred twenty trillion, two hundred twelve billion, two hundred twelve million, one hundred twelve thousand, one hundred eleven".

Divisors: 1 3 2609 7827 30269 90807 929497 2788491 78971821 236915463 2425057673 7275173019 28134944693 84404834079 73404070704037 220212212112111