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200201020202101 = 787254385032023
BaseRepresentation
bin101101100001010011101110…
…101100010101110001110101
3222020212000211022121101020211
4231201103232230111301311
5202220043142132431401
61545443025022025421
760112021624662622
oct5541235654256165
9866760738541224
10200201020202101
1158876859746486
121a554370718271
138792b4ba6c629
143761ad13d1349
151822a4bd85951
hexb614eeb15c75

200201020202101 has 4 divisors (see below), whose sum is σ = 200455405234912. Its totient is φ = 199946635169292.

The previous prime is 200201020202093. The next prime is 200201020202107. The reversal of 200201020202101 is 101202020102002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200201020202101 - 23 = 200201020202093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200201020202107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127192515225 + ... + 127192516798.

It is an arithmetic number, because the mean of its divisors is an integer number (50113851308728).

Almost surely, 2200201020202101 is an apocalyptic number.

It is an amenable number.

200201020202101 is a deficient number, since it is larger than the sum of its proper divisors (254385032811).

200201020202101 is an equidigital number, since it uses as much as digits as its factorization.

200201020202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254385032810.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200201020202101 its reverse (101202020102002), we get a palindrome (301403040304103).

The spelling of 200201020202101 in words is "two hundred trillion, two hundred one billion, twenty million, two hundred two thousand, one hundred one".

Divisors: 1 787 254385032023 200201020202101