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2112122220110 = 25730173174573
BaseRepresentation
bin11110101111000100010…
…010110110111001001110
321110220202102120210000222
4132233010102312321032
5234101111242020420
64254143501151342
7305411233436120
oct36570422667116
97426672523028
102112122220110
11744822a26311
122a141555b552
1312423162bc06
1474327865210
1539e1b57b225
hex1ebc44b6e4e

2112122220110 has 16 divisors (see below), whose sum is σ = 4344937138656. Its totient is φ = 724156189728.

The previous prime is 2112122220073. The next prime is 2112122220113. The reversal of 2112122220110 is 110222212112.

It is a super-2 number, since 2×21121222201102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112122220113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15086587217 + ... + 15086587356.

It is an arithmetic number, because the mean of its divisors is an integer number (271558571166).

Almost surely, 22112122220110 is an apocalyptic number.

2112122220110 is an abundant number, since it is smaller than the sum of its proper divisors (2232814918546).

2112122220110 is a wasteful number, since it uses less digits than its factorization.

2112122220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30173174587.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2112122220110 its reverse (110222212112), we get a palindrome (2222344432222).

The spelling of 2112122220110 in words is "two trillion, one hundred twelve billion, one hundred twenty-two million, two hundred twenty thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 35 70 30173174573 60346349146 150865872865 211212222011 301731745730 422424444022 1056061110055 2112122220110