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10010101212021 = 3231491144385087
BaseRepresentation
bin1001000110101010100010…
…0001101110001101110101
31022102221211011102222202010
42101222220201232031311
52303001141402241041
633142324345034433
72052130432260111
oct221525041561565
938387734388663
1010010101212021
11320a295198129
121158036785a19
13577c43ac2061
142686c48ba741
151255bbb44a16
hex91aa886e375

10010101212021 has 32 divisors (see below), whose sum is σ = 14021957836800. Its totient is φ = 6339783726144.

The previous prime is 10010101212019. The next prime is 10010101212061. The reversal of 10010101212021 is 12021210101001.

It is not a de Polignac number, because 10010101212021 - 21 = 10010101212019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10010101211988 and 10010101212006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010101212061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117602940 + ... + 117688026.

It is an arithmetic number, because the mean of its divisors is an integer number (438186182400).

Almost surely, 210010101212021 is an apocalyptic number.

It is an amenable number.

10010101212021 is a deficient number, since it is larger than the sum of its proper divisors (4011856624779).

10010101212021 is a wasteful number, since it uses less digits than its factorization.

10010101212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96705.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10010101212021 its reverse (12021210101001), we get a palindrome (22031311313022).

The spelling of 10010101212021 in words is "ten trillion, ten billion, one hundred one million, two hundred twelve thousand, twenty-one".

Divisors: 1 3 23 69 149 447 3427 10281 11443 34329 85087 255261 263189 789567 1705007 1957001 5115021 5871003 12677963 38033889 39215161 117645483 291593149 874779447 973650541 2920951623 22393962443 67181887329 145073930609 435221791827 3336700404007 10010101212021