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11231112201 = 337540718713
BaseRepresentation
bin10100111010110110…
…10010110000001001
31001222201022121120120
422131123102300021
5141000131042301
65054241413453
7545213610231
oct123533226011
931881277516
1011231112201
114843740911
12221533a289
13109ca85c2a
14787870cc1
1545aee1e36
hex29d6d2c09

11231112201 has 16 divisors (see below), whose sum is σ = 15383207424. Its totient is φ = 7283309184.

The previous prime is 11231112157. The next prime is 11231112241. The reversal of 11231112201 is 10221113211.

It is not a de Polignac number, because 11231112201 - 211 = 11231110153 is a prime.

It is a super-2 number, since 2×112311122012 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11231112241) 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, 590821 + ... + 609533.

It is an arithmetic number, because the mean of its divisors is an integer number (961450464).

Almost surely, 211231112201 is an apocalyptic number.

It is an amenable number.

11231112201 is a deficient number, since it is larger than the sum of its proper divisors (4152095223).

11231112201 is a wasteful number, since it uses less digits than its factorization.

11231112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24160.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11231112201 its reverse (10221113211), we get a palindrome (21452225412).

The spelling of 11231112201 in words is "eleven billion, two hundred thirty-one million, one hundred twelve thousand, two hundred one".

Divisors: 1 3 37 111 5407 16221 18713 56139 200059 600177 692381 2077143 101181191 303543573 3743704067 11231112201