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201000010201221 = 371125973137134059
BaseRepresentation
bin101101101100111011110110…
…001101010011100010000101
3222100200102011022020202111110
4231230323312031103202011
5202321141010102414341
61551254044022355233
760223525425631650
oct5554736615234205
9870612138222443
10201000010201221
1159054697776600
121a66319488bb19
1388202b16b9a3a
14378c649564897
15183871166d216
hexb6cef6353885

201000010201221 has 192 divisors, whose sum is σ = 349593131059200. Its totient is φ = 100500000860160.

The previous prime is 201000010201201. The next prime is 201000010201231. The reversal of 201000010201221 is 122102010000102.

It is not a de Polignac number, because 201000010201221 - 214 = 201000010184837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201000010201197 and 201000010201206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000010201201) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1499272890 + ... + 1499406948.

It is an arithmetic number, because the mean of its divisors is an integer number (1820797557600).

Almost surely, 2201000010201221 is an apocalyptic number.

201000010201221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

201000010201221 is a deficient number, since it is larger than the sum of its proper divisors (148593120857979).

201000010201221 is a wasteful number, since it uses less digits than its factorization.

201000010201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134360 (or 134349 counting only the distinct ones).

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

Adding to 201000010201221 its reverse (122102010000102), we get a palindrome (323102020201323).

It can be divided in two parts, 2010000 and 10201221, that added together give a palindrome (12211221).

The spelling of 201000010201221 in words is "two hundred one trillion, ten million, two hundred one thousand, two hundred twenty-one".