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2002121001211 = 71127222038483
BaseRepresentation
bin11101001000100111101…
…101100000100011111011
321002101211020212212122111
4131020213231200203323
5230300320434014321
64131432305233151
7264435265501042
oct35104755404373
97071736785574
102002121001211
11702105123451
122840363327b7
13116a50ac6286
146cc90445559
153712e2e25e1
hex1d227b608fb

2002121001211 has 8 divisors (see below), whose sum is σ = 2046306668544. Its totient is φ = 1958379411240.

The previous prime is 2002121001197. The next prime is 2002121001233. The reversal of 2002121001211 is 1121001212002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2002121001211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002121001191 and 2002121001200.

It is not an unprimeable number, because it can be changed into a prime (2002121001011) 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, 111010225 + ... + 111028258.

It is an arithmetic number, because the mean of its divisors is an integer number (255788333568).

Almost surely, 22002121001211 is an apocalyptic number.

2002121001211 is a deficient number, since it is larger than the sum of its proper divisors (44185667333).

2002121001211 is a wasteful number, since it uses less digits than its factorization.

2002121001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222038681.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2002121001211 its reverse (1121001212002), we get a palindrome (3123122213213).

The spelling of 2002121001211 in words is "two trillion, two billion, one hundred twenty-one million, one thousand, two hundred eleven".

Divisors: 1 71 127 9017 222038483 15764732293 28198887341 2002121001211