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10011220212231 = 327279756813821
BaseRepresentation
bin1001000110101110101100…
…1110010111101000000111
31022110001201011001002110100
42101223223032113220013
52303010434333242411
633143031401055143
72052200240516310
oct221535316275007
938401634032410
1010011220212231
11320a8098aa597
1211582a94874b3
13578091896064
1426878d363607
15125634ed0456
hex91aeb397a07

10011220212231 has 24 divisors (see below), whose sum is σ = 16532367691424. Its totient is φ = 5718651865920.

The previous prime is 10011220212197. The next prime is 10011220212239. The reversal of 10011220212231 is 13221202211001.

10011220212231 is a `hidden beast` number, since 1 + 0 + 0 + 1 + 1 + 220 + 212 + 231 = 666.

It is not a de Polignac number, because 10011220212231 - 210 = 10011220211207 is a prime.

It is a super-2 number, since 2×100112202122312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011220212239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28230700 + ... + 28583121.

Almost surely, 210011220212231 is an apocalyptic number.

10011220212231 is a deficient number, since it is larger than the sum of its proper divisors (6521147479193).

10011220212231 is a wasteful number, since it uses less digits than its factorization.

10011220212231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56816631 (or 56816628 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 10011220212231 its reverse (13221202211001), we get a palindrome (23232422423232).

The spelling of 10011220212231 in words is "ten trillion, eleven billion, two hundred twenty million, two hundred twelve thousand, two hundred thirty-one".

Divisors: 1 3 7 9 21 63 2797 8391 19579 25173 58737 176211 56813821 170441463 397696747 511324389 1193090241 3579270723 158908257337 476724772011 1112357801359 1430174316033 3337073404077 10011220212231