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210122102012011 = 7136581121977743
BaseRepresentation
bin101111110001101011011101…
…001111111111100001101011
31000112222110212120100012021221
4233301223131033333201223
5210020120031103341021
62022520432220242511
762154551365651330
oct5761533517774153
91015873776305257
10210122102012011
1160a513127941a2
121b6970a29a0437
139032576c45347
1439c5d6d30a987
151945b5879b241
hexbf1add3ff86b

210122102012011 has 8 divisors (see below), whose sum is σ = 240139731905024. Its totient is φ = 180104518806120.

The previous prime is 210122102011999. The next prime is 210122102012057. The reversal of 210122102012011 is 110210201221012.

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

It is a cyclic number.

It is not a de Polignac number, because 210122102012011 - 215 = 210122101979243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210122102013011) 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, 1428195 + ... + 20549548.

It is an arithmetic number, because the mean of its divisors is an integer number (30017466488128).

Almost surely, 2210122102012011 is an apocalyptic number.

210122102012011 is a deficient number, since it is larger than the sum of its proper divisors (30017629893013).

210122102012011 is a wasteful number, since it uses less digits than its factorization.

210122102012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23343561.

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

Adding to 210122102012011 its reverse (110210201221012), we get a palindrome (320332303233023).

The spelling of 210122102012011 in words is "two hundred ten trillion, one hundred twenty-two billion, one hundred two million, twelve thousand, eleven".

Divisors: 1 7 1365811 9560677 21977743 153844201 30017443144573 210122102012011