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111021112000201 = 1385315361651769
BaseRepresentation
bin11001001111100100011101…
…111100010111111011001001
3112120002111220011220221100111
4121033210131330113323021
5104022432214133001301
61032042221133434321
732246003436355564
oct3117443574277311
9476074804827314
10111021112000201
1132413875456337
121055077593b9a1
1349c43274376c0
141d5b6442134db
15cc7da964b551
hex64f91df17ec9

111021112000201 has 16 divisors (see below), whose sum is σ = 119709339287440. Its totient is φ = 102354063851520.

The previous prime is 111021112000199. The next prime is 111021112000259. The reversal of 111021112000201 is 102000211120111.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2779955982400 + 108241156017801 = 1667320^2 + 10403901^2 .

It is not a de Polignac number, because 111021112000201 - 21 = 111021112000199 is a prime.

It is a super-2 number, since 2×1110211120002012 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111021112001201) 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, 170012245 + ... + 170664013.

It is an arithmetic number, because the mean of its divisors is an integer number (7481833705465).

Almost surely, 2111021112000201 is an apocalyptic number.

It is an amenable number.

111021112000201 is a deficient number, since it is larger than the sum of its proper divisors (8688227287239).

111021112000201 is a wasteful number, since it uses less digits than its factorization.

111021112000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667996.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111021112000201 its reverse (102000211120111), we get a palindrome (213021323120312).

The spelling of 111021112000201 in words is "one hundred eleven trillion, twenty-one billion, one hundred twelve million, two hundred one", and thus it is an aban number.

Divisors: 1 13 853 11089 15361 199693 651769 8472997 13102933 170338129 555958957 7227466441 10011823609 130153706917 8540085538477 111021112000201