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2112212110210 = 25211221211021
BaseRepresentation
bin11110101111001001101…
…001110000101110000010
321110220222200201200001221
4132233021221300232002
5234101302300011320
64254200431545254
7305413404463306
oct36571151605602
97426880650057
102112212110210
11744869742054
122a143b68b22a
13124247142b17
1474335783d06
1539e243d53aa
hex1ebc9a70b82

2112212110210 has 8 divisors (see below), whose sum is σ = 3801981798396. Its totient is φ = 844884844080.

The previous prime is 2112212110207. The next prime is 2112212110241. The reversal of 2112212110210 is 120112122112.

It can be written as a sum of positive squares in 2 ways, for example, as 1992171342249 + 120040767961 = 1411443^2 + 346469^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21122121102102 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105610605501 + ... + 105610605520.

Almost surely, 22112212110210 is an apocalyptic number.

2112212110210 is a deficient number, since it is larger than the sum of its proper divisors (1689769688186).

2112212110210 is a wasteful number, since it uses less digits than its factorization.

2112212110210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211221211028.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2112212110210 its reverse (120112122112), we get a palindrome (2232324232322).

The spelling of 2112212110210 in words is "two trillion, one hundred twelve billion, two hundred twelve million, one hundred ten thousand, two hundred ten".

Divisors: 1 2 5 10 211221211021 422442422042 1056106055105 2112212110210