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200211001021111 = 1217164511915383
BaseRepresentation
bin101101100001011101000001…
…100110001001001010110111
3222020212222120220021112000011
4231201131001212021022313
5202220224112230133421
61545451355241401051
760112524150356413
oct5541350146111267
9866788526245004
10200211001021111
115888001064a533
121a556297199187
138793a7c7a23b2
14376239ab9dd43
151822e332054e1
hexb617419892b7

200211001021111 has 4 divisors (see below), whose sum is σ = 200375512937712. Its totient is φ = 200046489104512.

The previous prime is 200211001021099. The next prime is 200211001021121. The reversal of 200211001021111 is 111120100112002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200211001021111 - 227 = 200210866803383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200211001021091 and 200211001021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200211001021121) 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 3 ways as a sum of consecutive naturals, for example, 82255956475 + ... + 82255958908.

It is an arithmetic number, because the mean of its divisors is an integer number (50093878234428).

Almost surely, 2200211001021111 is an apocalyptic number.

200211001021111 is a deficient number, since it is larger than the sum of its proper divisors (164511916601).

200211001021111 is a wasteful number, since it uses less digits than its factorization.

200211001021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164511916600.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 200211001021111 its reverse (111120100112002), we get a palindrome (311331101133113).

The spelling of 200211001021111 in words is "two hundred trillion, two hundred eleven billion, one million, twenty-one thousand, one hundred eleven".

Divisors: 1 1217 164511915383 200211001021111