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112212022022221 = 11211161329972977
BaseRepresentation
bin11001100000111001100101…
…101101100101000001001101
3112201022100211202020022201211
4121200321211231211001031
5104201440210114202341
61034353254040334421
732431023340466242
oct3140714555450115
9481270752208654
10112212022022221
1132832940085430
1210703537174411
134a7c71872a1c4
141d9d13b3c35c9
15ce8d5b2d5181
hex660e65b6504d

112212022022221 has 16 divisors (see below), whose sum is σ = 123069527235648. Its totient is φ = 101464518355200.

The previous prime is 112212022022203. The next prime is 112212022022227. The reversal of 112212022022221 is 122220220212211.

It is not a de Polignac number, because 112212022022221 - 217 = 112212021891149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112212022022192 and 112212022022201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112212022022227) 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, 11242716 + ... + 18730261.

It is an arithmetic number, because the mean of its divisors is an integer number (7691845452228).

Almost surely, 2112212022022221 is an apocalyptic number.

112212022022221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112212022022221 is a deficient number, since it is larger than the sum of its proper divisors (10857505213427).

112212022022221 is a wasteful number, since it uses less digits than its factorization.

112212022022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29974812.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 112212022022221 its reverse (122220220212211), we get a palindrome (234432242234432).

The spelling of 112212022022221 in words is "one hundred twelve trillion, two hundred twelve billion, twenty-two million, twenty-two thousand, two hundred twenty-one".

Divisors: 1 11 211 1613 2321 17743 340343 3743773 29972977 329702747 6324298147 48346411901 69567279617 531810530911 10201092911111 112212022022221