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121102022201 is a prime number
BaseRepresentation
bin111000011001000111…
…1100011011000111001
3102120120210211010202112
41300302033203120321
53441004104202301
6131344500342105
711515010130056
oct1606217433071
9376523733675
10121102022201
11473a4a30776
121b5789a4935
13b55c5c5604
145c0b85002d
15323bada9bb
hex1c323e3639

121102022201 has 2 divisors, whose sum is σ = 121102022202. Its totient is φ = 121102022200.

The previous prime is 121102022161. The next prime is 121102022207. The reversal of 121102022201 is 102220201121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92309022976 + 28792999225 = 303824^2 + 169685^2 .

It is a cyclic number.

It is not a de Polignac number, because 121102022201 - 210 = 121102021177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (121102022207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551011100 + 60551011101.

It is an arithmetic number, because the mean of its divisors is an integer number (60551011101).

Almost surely, 2121102022201 is an apocalyptic number.

It is an amenable number.

121102022201 is a deficient number, since it is larger than the sum of its proper divisors (1).

121102022201 is an equidigital number, since it uses as much as digits as its factorization.

121102022201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121102022201 its reverse (102220201121), we get a palindrome (223322223322).

The spelling of 121102022201 in words is "one hundred twenty-one billion, one hundred two million, twenty-two thousand, two hundred one".