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212020112101 = 7199152203957
BaseRepresentation
bin1100010101110101100…
…0100010101011100101
3202021021001020122110111
43011131120202223211
511433204122041401
6241222314453021
721214025134420
oct3053530425345
9667231218414
10212020112101
1181a0a90a346
1235111134171
1316cbb6a6145
14a3946569b7
1557ad868e51
hex315d622ae5

212020112101 has 8 divisors (see below), whose sum is σ = 243526332800. Its totient is φ = 180818299728.

The previous prime is 212020112099. The next prime is 212020112147. The reversal of 212020112101 is 101211020212.

212020112101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 212020112101 - 21 = 212020112099 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 (212020122101) 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 7 ways as a sum of consecutive naturals, for example, 76100586 + ... + 76103371.

It is an arithmetic number, because the mean of its divisors is an integer number (30440791600).

Almost surely, 2212020112101 is an apocalyptic number.

It is an amenable number.

212020112101 is a deficient number, since it is larger than the sum of its proper divisors (31506220699).

212020112101 is a wasteful number, since it uses less digits than its factorization.

212020112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152204163.

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

Adding to 212020112101 its reverse (101211020212), we get a palindrome (313231132313).

The spelling of 212020112101 in words is "two hundred twelve billion, twenty million, one hundred twelve thousand, one hundred one".

Divisors: 1 7 199 1393 152203957 1065427699 30288587443 212020112101