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103104202121 is a prime number
BaseRepresentation
bin110000000000101111…
…1010100010110001001
3100212010111202011000122
41200001133110112021
53142124133431441
6115210532513025
710310006154314
oct1400137242611
9325114664018
10103104202121
113a7a96a80a8
1217b9547b775
13995197932b
144dc142d97b
152a36a1334b
hex18017d4589

103104202121 has 2 divisors, whose sum is σ = 103104202122. Its totient is φ = 103104202120.

The previous prime is 103104202073. The next prime is 103104202127. The reversal of 103104202121 is 121202401301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69003409225 + 34100792896 = 262685^2 + 184664^2 .

It is an emirp because it is prime and its reverse (121202401301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103104202121 - 26 = 103104202057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103104202121.

It is not a weakly prime, because it can be changed into another prime (103104202127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51552101060 + 51552101061.

It is an arithmetic number, because the mean of its divisors is an integer number (51552101061).

Almost surely, 2103104202121 is an apocalyptic number.

It is an amenable number.

103104202121 is a deficient number, since it is larger than the sum of its proper divisors (1).

103104202121 is an equidigital number, since it uses as much as digits as its factorization.

103104202121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 103104202121 its reverse (121202401301), we get a palindrome (224306603422).

The spelling of 103104202121 in words is "one hundred three billion, one hundred four million, two hundred two thousand, one hundred twenty-one".