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112101012212121 = 3216297176428739
BaseRepresentation
bin11001011111010010001101…
…000000110000100110011001
3112200220202022021200200022200
4121133102031000300212121
5104143130333111241441
61034230254415040413
732420013404616102
oct3137221500604631
9480822267620280
10112101012212121
113279a854a21019
12106a5b16210109
134a72106c69b3a
141d97a0a05b3a9
15ce601071e7b6
hex65f48d030999

112101012212121 has 12 divisors (see below), whose sum is σ = 161924679998640. Its totient is φ = 74733548591160.

The previous prime is 112101012212089. The next prime is 112101012212141. The reversal of 112101012212121 is 121212210101211.

It is a happy number.

112101012212121 is a `hidden beast` number, since 11 + 210 + 10 + 1 + 221 + 212 + 1 = 666.

It is not a de Polignac number, because 112101012212121 - 25 = 112101012212089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112101012212094 and 112101012212103.

It is not an unprimeable number, because it can be changed into a prime (112101012212141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36747631 + ... + 39681108.

It is an arithmetic number, because the mean of its divisors is an integer number (13493723333220).

Almost surely, 2112101012212121 is an apocalyptic number.

It is an amenable number.

112101012212121 is a deficient number, since it is larger than the sum of its proper divisors (49823667786519).

112101012212121 is a wasteful number, since it uses less digits than its factorization.

112101012212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76591716 (or 76591713 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 112101012212121 its reverse (121212210101211), we get a palindrome (233313222313332).

The spelling of 112101012212121 in words is "one hundred twelve trillion, one hundred one billion, twelve million, two hundred twelve thousand, one hundred twenty-one".

Divisors: 1 3 9 162971 488913 1466739 76428739 229286217 687858651 12455668023569 37367004070707 112101012212121