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221120102010201 = 3416727199009991
BaseRepresentation
bin110010010001101110001001…
…001000100000110101011001
31001222220212122002122020220020
4302101232021020200311121
5212440312432103311301
62102141101133021053
764401254155334622
oct6221561110406531
91058825562566806
10221120102010201
1164501565aa5149
1220972682924789
13964c6c7bc1274
143c863acdc6a49
151a86c94592436
hexc91b89220d59

221120102010201 has 32 divisors (see below), whose sum is σ = 307656520421376. Its totient is φ = 141148641744000.

The previous prime is 221120102010179. The next prime is 221120102010211. The reversal of 221120102010201 is 102010201021122.

It is not a de Polignac number, because 221120102010201 - 29 = 221120102009689 is a prime.

It is a super-2 number, since 2×2211201020102012 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221120102010211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47271685 + ... + 51738306.

It is an arithmetic number, because the mean of its divisors is an integer number (9614266263168).

Almost surely, 2221120102010201 is an apocalyptic number.

It is an amenable number.

221120102010201 is a deficient number, since it is larger than the sum of its proper divisors (86536418411175).

221120102010201 is a wasteful number, since it uses less digits than its factorization.

221120102010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99010373.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221120102010201 its reverse (102010201021122), we get a palindrome (323130303031323).

The spelling of 221120102010201 in words is "two hundred twenty-one trillion, one hundred twenty billion, one hundred two million, ten thousand, two hundred one".

Divisors: 1 3 41 67 123 201 271 813 2747 8241 11111 18157 33333 54471 744437 2233311 99009991 297029973 4059409631 6633669397 12178228893 19901008191 26831707561 80495122683 271980445277 815941335831 1100100010001 1797724406587 3300300030003 5393173219761 73706700670067 221120102010201