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201021200002101 = 3509131644531763
BaseRepresentation
bin101101101101001111100101…
…001101111110110000110101
3222100202102212001121011201110
4231231033211031332300311
5202322012404200031401
61551311510413345233
760225205506155043
oct5555174515766065
9870672761534643
10201021200002101
1159062680875636
121a667309198219
1388222aa72775b
14378d699883393
151839051aac9d6
hexb6d3e537ec35

201021200002101 has 8 divisors (see below), whose sum is σ = 268554844798560. Its totient is φ = 133750844270192.

The previous prime is 201021200002081. The next prime is 201021200002199. The reversal of 201021200002101 is 101200002120102.

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 201021200002101 - 213 = 201021199993909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201021200002001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65822264355 + ... + 65822267408.

It is an arithmetic number, because the mean of its divisors is an integer number (33569355599820).

Almost surely, 2201021200002101 is an apocalyptic number.

It is an amenable number.

201021200002101 is a deficient number, since it is larger than the sum of its proper divisors (67533644796459).

201021200002101 is a wasteful number, since it uses less digits than its factorization.

201021200002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131644532275.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201021200002101 its reverse (101200002120102), we get a palindrome (302221202122203).

The spelling of 201021200002101 in words is "two hundred one trillion, twenty-one billion, two hundred million, two thousand, one hundred one".

Divisors: 1 3 509 1527 131644531763 394933595289 67007066667367 201021200002101