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2112201200112 = 243205512141219
BaseRepresentation
bin11110101111001001000…
…000001001000111110000
321110220221221012101020020
4132233021000021013300
5234101242001400422
64254155402043440
7305413212653403
oct36571100110760
97426857171206
102112201200112
11744863570143
122a1437aa9580
13124244ac2c43
1474334143d3a
1539e2347c95c
hex1ebc90091f0

2112201200112 has 40 divisors (see below), whose sum is σ = 5456787826560. Its totient is φ = 704032478400.

The previous prime is 2112201200111. The next prime is 2112201200141. The reversal of 2112201200112 is 2110021022112.

It is a super-2 number, since 2×21122012001122 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112201200091 and 2112201200100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112201200111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84162 + ... + 2057057.

It is an arithmetic number, because the mean of its divisors is an integer number (136419695664).

Almost surely, 22112201200112 is an apocalyptic number.

It is an amenable number.

2112201200112 is an abundant number, since it is smaller than the sum of its proper divisors (3344586626448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2112201200112 is a wasteful number, since it uses less digits than its factorization.

2112201200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161781 (or 2161775 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2112201200112 its reverse (2110021022112), we get a palindrome (4222222222224).

The spelling of 2112201200112 in words is "two trillion, one hundred twelve billion, two hundred one million, two hundred thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 20551 41102 61653 82204 123306 164408 246612 328816 493224 986448 2141219 4282438 6423657 8564876 12847314 17129752 25694628 34259504 51389256 102778512 44004191669 88008383338 132012575007 176016766676 264025150014 352033533352 528050300028 704067066704 1056100600056 2112201200112