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103122121121 = 195458199439
BaseRepresentation
bin110000000001010001…
…1101011000110100001
3100212011202110112021022
41200002203223012201
53142143230333441
6115212412535225
710310314365305
oct1400243530641
9325152415238
10103122121121
113a808826998
1217b9b481515
1399555b14a6
144dc3975d05
152a383a284b
hex18028eb1a1

103122121121 has 8 divisors (see below), whose sum is σ = 108552681600. Its totient is φ = 97691868720.

The previous prime is 103122121097. The next prime is 103122121127. The reversal of 103122121121 is 121121221301.

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 103122121121 - 234 = 85942251937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103122121121.

It is not an unprimeable number, because it can be changed into a prime (103122121127) 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, 987320 + ... + 1086758.

It is an arithmetic number, because the mean of its divisors is an integer number (13569085200).

Almost surely, 2103122121121 is an apocalyptic number.

It is an amenable number.

103122121121 is a deficient number, since it is larger than the sum of its proper divisors (5430560479).

103122121121 is an equidigital number, since it uses as much as digits as its factorization.

103122121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154039.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 103122121121 its reverse (121121221301), we get a palindrome (224243342422).

The spelling of 103122121121 in words is "one hundred three billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-one".

Divisors: 1 19 54581 99439 1037039 1889341 5427480059 103122121121