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120210103121 is a prime number
BaseRepresentation
bin110111111110100010…
…1001001101101010001
3102111021122111221210112
41233331011021231101
53432142241244441
6131120155411105
711453630005643
oct1577505115521
9374248457715
10120210103121
1146a87518769
121b36a153a95
13b44989b144
145b651d8893
1531d86584eb
hex1bfd149b51

120210103121 has 2 divisors, whose sum is σ = 120210103122. Its totient is φ = 120210103120.

The previous prime is 120210103103. The next prime is 120210103151. The reversal of 120210103121 is 121301012021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63584665600 + 56625437521 = 252160^2 + 237961^2 .

It is a cyclic number.

It is not a de Polignac number, because 120210103121 - 222 = 120205908817 is a prime.

It is a super-2 number, since 2×1202101031212 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120210103096 and 120210103105.

It is not a weakly prime, because it can be changed into another prime (120210103151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60105051560 + 60105051561.

It is an arithmetic number, because the mean of its divisors is an integer number (60105051561).

Almost surely, 2120210103121 is an apocalyptic number.

It is an amenable number.

120210103121 is a deficient number, since it is larger than the sum of its proper divisors (1).

120210103121 is an equidigital number, since it uses as much as digits as its factorization.

120210103121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 120210103121 its reverse (121301012021), we get a palindrome (241511115142).

The spelling of 120210103121 in words is "one hundred twenty billion, two hundred ten million, one hundred three thousand, one hundred twenty-one".