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201121112021210 = 2520112111202121
BaseRepresentation
bin101101101110101100101000…
…011100000101100011011010
3222101002222202002200121212122
4231232230220130011203122
5202330132014134134320
61551425432514541242
760235343434260353
oct5556545034054332
9871088662617778
10201121112021210
11590a0a91579357
121a682751597822
13882b840c412a4
143794456d60d2a
15183b94d218d25
hexb6eb287058da

201121112021210 has 8 divisors (see below), whose sum is σ = 362018001638196. Its totient is φ = 80448444808480.

The previous prime is 201121112021209. The next prime is 201121112021267. The reversal of 201121112021210 is 12120211121102.

201121112021210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 200882121077521 + 238990943689 = 14173289^2 + 488867^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10056055601051 + ... + 10056055601070.

Almost surely, 2201121112021210 is an apocalyptic number.

201121112021210 is a deficient number, since it is larger than the sum of its proper divisors (160896889616986).

201121112021210 is a wasteful number, since it uses less digits than its factorization.

201121112021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20112111202128.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201121112021210 its reverse (12120211121102), we get a palindrome (213241323142312).

The spelling of 201121112021210 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred twelve million, twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 20112111202121 40224222404242 100560556010605 201121112021210