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10010102011221 = 313318279654269
BaseRepresentation
bin1001000110101010100010…
…0100110001010101010101
31022102221211012221121001010
42101222220210301111111
52303001142103324341
633142324414122433
72052130442126124
oct221525044612525
938387735847033
1010010102011221
11320a295693624
121158036ab0419
13577c44011a60
142686c4a47abb
151255bbc51716
hex91aa8931555

10010102011221 has 16 divisors (see below), whose sum is σ = 14837140451840. Its totient is φ = 5961351072960.

The previous prime is 10010102011183. The next prime is 10010102011229. The reversal of 10010102011221 is 12211020101001.

It is not a de Polignac number, because 10010102011221 - 219 = 10010101486933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10010102011197 and 10010102011206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010102011229) 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 15 ways as a sum of consecutive naturals, for example, 4139825926 + ... + 4139828343.

It is an arithmetic number, because the mean of its divisors is an integer number (927321278240).

Almost surely, 210010102011221 is an apocalyptic number.

It is an amenable number.

10010102011221 is a deficient number, since it is larger than the sum of its proper divisors (4827038440619).

10010102011221 is a wasteful number, since it uses less digits than its factorization.

10010102011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8279654316.

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

Adding to 10010102011221 its reverse (12211020101001), we get a palindrome (22221122112222).

The spelling of 10010102011221 in words is "ten trillion, ten billion, one hundred two million, eleven thousand, two hundred twenty-one".

Divisors: 1 3 13 31 39 93 403 1209 8279654269 24838962807 107635505497 256669282339 322906516491 770007847017 3336700670407 10010102011221