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111020113103221 = 7127124882016989
BaseRepresentation
bin11001001111100011100010…
…011001111000100101110101
3112120002102022120022201022001
4121033203202121320211311
5104022423142423300341
61032041534051535301
732245636620030520
oct3117434231704565
9476072276281261
10111020113103221
1132413402616243
12105505372ba531
1349c41c84c55ba
141d5b58b6b1bb7
15cc7d4bad6d31
hex64f8e2678975

111020113103221 has 8 divisors (see below), whose sum is σ = 127879185397760. Its totient is φ = 94410804842928.

The previous prime is 111020113103219. The next prime is 111020113103267. The reversal of 111020113103221 is 122301311020111.

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

It is not a de Polignac number, because 111020113103221 - 21 = 111020113103219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111020113107221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62441007606 + ... + 62441009383.

It is an arithmetic number, because the mean of its divisors is an integer number (15984898174720).

Almost surely, 2111020113103221 is an apocalyptic number.

It is an amenable number.

111020113103221 is a deficient number, since it is larger than the sum of its proper divisors (16859072294539).

111020113103221 is a wasteful number, since it uses less digits than its factorization.

111020113103221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124882017123.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 111020113103221 its reverse (122301311020111), we get a palindrome (233321424123332).

The spelling of 111020113103221 in words is "one hundred eleven trillion, twenty billion, one hundred thirteen million, one hundred three thousand, two hundred twenty-one".

Divisors: 1 7 127 889 124882016989 874174118923 15860016157603 111020113103221