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10201012020121 = 1312594021155003
BaseRepresentation
bin1001010001110001101110…
…1100101010001110011001
31100010012121001210212221111
42110130123230222032121
52314113133034120441
633410140310140321
72101666405334266
oct224343354521631
940105531725844
1010201012020121
11328325238898a
1211890363516a1
1358cc4a032a70
14273a357aa26d
1512a542170081
hex9471bb2a399

10201012020121 has 16 divisors (see below), whose sum is σ = 10997236192320. Its totient is φ = 9406438971840.

The previous prime is 10201012020107. The next prime is 10201012020163. The reversal of 10201012020121 is 12102021010201.

10201012020121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10201012020121 - 213 = 10201012011929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10201012024121) 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, 65734206 + ... + 65889208.

It is an arithmetic number, because the mean of its divisors is an integer number (687327262020).

Almost surely, 210201012020121 is an apocalyptic number.

It is an amenable number.

10201012020121 is a deficient number, since it is larger than the sum of its proper divisors (796224172199).

10201012020121 is a wasteful number, since it uses less digits than its factorization.

10201012020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160296.

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

Adding to 10201012020121 its reverse (12102021010201), we get a palindrome (22303033030322).

The spelling of 10201012020121 in words is "ten trillion, two hundred one billion, twelve million, twenty thousand, one hundred twenty-one".

Divisors: 1 13 1259 4021 16367 52273 155003 2015039 5062439 65811707 195148777 623267063 2536934101 8102471819 784693232317 10201012020121