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10021211200201 = 15076096647089
BaseRepresentation
bin1001000111010011111010…
…1110111101101011001001
31022111000111102211212101211
42101310332232331223021
52303141420031401301
633151403022413121
72053002645515155
oct221647656755311
938430442755354
1010021211200201
113213a76519743
12115a2174311a1
13578cc4749566
1426905a21c065
15125a1c1ad051
hex91d3ebbdac9

10021211200201 has 4 divisors (see below), whose sum is σ = 10021219354900. Its totient is φ = 10021203045504.

The previous prime is 10021211200183. The next prime is 10021211200241. The reversal of 10021211200201 is 10200211212001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7723819238976 + 2297391961225 = 2779176^2 + 1515715^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021211200201 - 219 = 10021210675913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021211200241) 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, 1815936 + ... + 4831153.

It is an arithmetic number, because the mean of its divisors is an integer number (2505304838725).

Almost surely, 210021211200201 is an apocalyptic number.

It is an amenable number.

10021211200201 is a deficient number, since it is larger than the sum of its proper divisors (8154699).

10021211200201 is an equidigital number, since it uses as much as digits as its factorization.

10021211200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8154698.

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

Adding to 10021211200201 its reverse (10200211212001), we get a palindrome (20221422412202).

The spelling of 10021211200201 in words is "ten trillion, twenty-one billion, two hundred eleven million, two hundred thousand, two hundred one".

Divisors: 1 1507609 6647089 10021211200201