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201010210102201 = 1729311623790557
BaseRepresentation
bin101101101101000101010110…
…001010110101101110111001
3222100201101111011011102012211
4231231011112022311232321
5202321322402241232301
61551302452105535121
760224336251436413
oct5555052612655671
9870641434142184
10201010210102201
1159058a51306135
121a6651607a44a1
1388212489283c6
14378cd360819b3
151838b0bd66051
hexb6d1562b5bb9

201010210102201 has 4 divisors (see below), whose sum is σ = 201021833910052. Its totient is φ = 200998586294352.

The previous prime is 201010210102181. The next prime is 201010210102211. The reversal of 201010210102201 is 102201012010102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35170545586576 + 165839664515625 = 5930476^2 + 12877875^2 .

It is a cyclic number.

It is not a de Polignac number, because 201010210102201 - 27 = 201010210102073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201010210102211) 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, 5811877986 + ... + 5811912571.

It is an arithmetic number, because the mean of its divisors is an integer number (50255458477513).

Almost surely, 2201010210102201 is an apocalyptic number.

It is an amenable number.

201010210102201 is a deficient number, since it is larger than the sum of its proper divisors (11623807851).

201010210102201 is a wasteful number, since it uses less digits than its factorization.

201010210102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11623807850.

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

Adding to 201010210102201 its reverse (102201012010102), we get a palindrome (303211222112303).

The spelling of 201010210102201 in words is "two hundred one trillion, ten billion, two hundred ten million, one hundred two thousand, two hundred one".

Divisors: 1 17293 11623790557 201010210102201