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20210000211101 = 83243493978447
BaseRepresentation
bin1001001100001100000011…
…11000100010110010011101
32122120001112122220112212002
410212012001320202302131
510122110040023223401
6110552202415252045
74154060434250201
oct446060170426235
978501478815762
1020210000211101
116492016277908
122324a0021a025
13b37a4436548c
144dc252518b01
15250a9620aa6b
hex126181e22c9d

20210000211101 has 4 divisors (see below), whose sum is σ = 20453494189632. Its totient is φ = 19966506232572.

The previous prime is 20210000211067. The next prime is 20210000211113. The reversal of 20210000211101 is 10111200001202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20210000211101 - 234 = 20192820341917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210000211301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121746989141 + ... + 121746989306.

It is an arithmetic number, because the mean of its divisors is an integer number (5113373547408).

Almost surely, 220210000211101 is an apocalyptic number.

It is an amenable number.

20210000211101 is a deficient number, since it is larger than the sum of its proper divisors (243493978531).

20210000211101 is an equidigital number, since it uses as much as digits as its factorization.

20210000211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243493978530.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20210000211101 its reverse (10111200001202), we get a palindrome (30321200212303).

The spelling of 20210000211101 in words is "twenty trillion, two hundred ten billion, two hundred eleven thousand, one hundred one".

Divisors: 1 83 243493978447 20210000211101