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201210202100001 = 31032560925427221
BaseRepresentation
bin101101101111111111100110…
…100111110001000100100001
3222101102111200221101112202110
4231233333212213301010201
5202333111443214200001
61551534405112305533
760244646244404403
oct5557774647610441
9871374627345673
10201210202100001
1159125849601146
121a697a756a22a9
13883706b3a5143
1437988a907cb73
15183de147593d6
hexb6ffe69f1121

201210202100001 has 16 divisors (see below), whose sum is σ = 270895520654720. Its totient is φ = 132832610951040.

The previous prime is 201210202099987. The next prime is 201210202100003. The reversal of 201210202100001 is 100001202012102.

It is not a de Polignac number, because 201210202100001 - 25 = 201210202099969 is a prime.

It is a super-3 number, since 3×2012102021000013 (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201210202100001.

It is not an unprimeable number, because it can be changed into a prime (201210202100003) 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, 4800430 + ... + 20626791.

It is an arithmetic number, because the mean of its divisors is an integer number (16930970040920).

Almost surely, 2201210202100001 is an apocalyptic number.

It is an amenable number.

201210202100001 is a deficient number, since it is larger than the sum of its proper divisors (69685318554719).

201210202100001 is a wasteful number, since it uses less digits than its factorization.

201210202100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25452936.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201210202100001 its reverse (100001202012102), we get a palindrome (301211404112103).

The spelling of 201210202100001 in words is "two hundred one trillion, two hundred ten billion, two hundred two million, one hundred thousand, one".

Divisors: 1 3 103 309 25609 76827 2637727 7913181 25427221 76281663 2619003763 7857011289 651165702589 1953497107767 67070067366667 201210202100001