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2021030122101 = 31871571762981
BaseRepresentation
bin11101011010001110110…
…010000101001001110101
321011012122001201202002020
4131122032302011021311
5231103032202401401
64144240505303353
7266005003410264
oct35321662051165
97135561652066
102021030122101
1170a1288a7891
12287832a94b59
131187754948c3
146db658c45db
15378893c9d36
hex1d68ec85275

2021030122101 has 16 divisors (see below), whose sum is σ = 2696661497088. Its totient is φ = 1346376363200.

The previous prime is 2021030122057. The next prime is 2021030122183. The reversal of 2021030122101 is 1012210301202.

It is a cyclic number.

It is not a de Polignac number, because 2021030122101 - 29 = 2021030121589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021030122801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32058031 + ... + 32121011.

It is an arithmetic number, because the mean of its divisors is an integer number (168541343568).

Almost surely, 22021030122101 is an apocalyptic number.

It is an amenable number.

2021030122101 is a deficient number, since it is larger than the sum of its proper divisors (675631374987).

2021030122101 is a wasteful number, since it uses less digits than its factorization.

2021030122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70572.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2021030122101 its reverse (1012210301202), we get a palindrome (3033240423303).

The spelling of 2021030122101 in words is "two trillion, twenty-one billion, thirty million, one hundred twenty-two thousand, one hundred one".

Divisors: 1 3 1871 5613 5717 17151 62981 188943 10696507 32089521 117837451 353512353 360062377 1080187131 673676707367 2021030122101