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121100312101 = 193743844499
BaseRepresentation
bin111000011001000100…
…1000001111000100101
3102120120200121020221111
41300302021001320211
53441003134441401
6131344355545021
711514656445256
oct1606211017045
9376520536844
10121100312101
11473a3a7296a
121b5782bb171
13b55c147112
145c0b526b2d
15323b89de51
hex1c32241e25

121100312101 has 8 divisors (see below), whose sum is σ = 121891752000. Its totient is φ = 120310563072.

The previous prime is 121100312087. The next prime is 121100312119. The reversal of 121100312101 is 101213001121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 121100312101 - 27 = 121100311973 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 (121100312171) 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, 278851 + ... + 565648.

It is an arithmetic number, because the mean of its divisors is an integer number (15236469000).

Almost surely, 2121100312101 is an apocalyptic number.

It is an amenable number.

121100312101 is a deficient number, since it is larger than the sum of its proper divisors (791439899).

121100312101 is an equidigital number, since it uses as much as digits as its factorization.

121100312101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845435.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 121100312101 its reverse (101213001121), we get a palindrome (222313313222).

The spelling of 121100312101 in words is "one hundred twenty-one billion, one hundred million, three hundred twelve thousand, one hundred one".

Divisors: 1 193 743 143399 844499 162988307 627462757 121100312101