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11201012001 = 3223911234637
BaseRepresentation
bin10100110111010000…
…11110000100100001
31001220121200100212100
422123220132010201
5140414424341001
65051244321013
7544400013444
oct123350360441
931817610770
1011201012001
114828752113
122207243169
13109677746a
1478387765b
15458548586
hex29ba1e121

11201012001 has 24 divisors (see below), whose sum is σ = 16264909440. Its totient is φ = 7427873376.

The previous prime is 11201011903. The next prime is 11201012041. The reversal of 11201012001 is 10021010211.

It is a happy number.

It is not a de Polignac number, because 11201012001 - 27 = 11201011873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (11201012041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2413255 + ... + 2417891.

It is an arithmetic number, because the mean of its divisors is an integer number (677704560).

Almost surely, 211201012001 is an apocalyptic number.

It is an amenable number.

11201012001 is a deficient number, since it is larger than the sum of its proper divisors (5063897439).

11201012001 is a wasteful number, since it uses less digits than its factorization.

11201012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6005 (or 6002 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11201012001 its reverse (10021010211), we get a palindrome (21222022212).

The spelling of 11201012001 in words is "eleven billion, two hundred one million, twelve thousand, one".

Divisors: 1 3 9 239 717 1123 2151 3369 4637 10107 13911 41733 268397 805191 1108243 2415573 3324729 5207351 9974187 15622053 46866159 1244556889 3733670667 11201012001