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200121220120211 = 13131193016088337
BaseRepresentation
bin101101100000001001011010…
…001111001011111010010011
3222020120101211220200012100022
4231200021122033023322103
5202212241224322321321
61545342230325214055
760103165251324635
oct5540113217137223
9866511756605308
10200121220120211
1158845a29676885
121a5409bb86132b
138788472193770
14375bcc1016a55
15182092b206dab
hexb6025a3cbe93

200121220120211 has 16 divisors (see below), whose sum is σ = 217171600940448. Its totient is φ = 183307620288000.

The previous prime is 200121220120193. The next prime is 200121220120259. The reversal of 200121220120211 is 112021022121002.

200121220120211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 200121220120211 - 210 = 200121220119187 is a prime.

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 200121220120211.

It is not an unprimeable number, because it can be changed into a prime (200121220120511) 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, 29825435 + ... + 35913771.

It is an arithmetic number, because the mean of its divisors is an integer number (13573225058778).

Almost surely, 2200121220120211 is an apocalyptic number.

200121220120211 is a deficient number, since it is larger than the sum of its proper divisors (17050380820237).

200121220120211 is a wasteful number, since it uses less digits than its factorization.

200121220120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6107782.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 200121220120211 its reverse (112021022121002), we get a palindrome (312142242241213).

The spelling of 200121220120211 in words is "two hundred trillion, one hundred twenty-one billion, two hundred twenty million, one hundred twenty thousand, two hundred eleven".

Divisors: 1 13 131 1703 19301 250913 2528431 6088337 32869603 79148381 797572147 10368437911 117510992437 1527642901681 15393940009247 200121220120211