Search a number
BaseRepresentation
bin11011100011110101101110…
…010001110000111001111101
3120220011120111211012201221102
4123203311232101300321331
5111341401312241222231
61105443054511342445
734350066552232241
oct3343655621607175
9526146454181842
10121210122210941
1135691a19057195
1211717400821a25
1352830b0b211ba
1421d085ba50421
15e02e47cdeacb
hex6e3d6e470e7d

121210122210941 has 2 divisors, whose sum is σ = 121210122210942. Its totient is φ = 121210122210940.

The previous prime is 121210122210901. The next prime is 121210122211001. The reversal of 121210122210941 is 149012221012121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115025002950841 + 6185119260100 = 10724971^2 + 2486990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121210122210941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121210122210901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60605061105470 + 60605061105471.

It is an arithmetic number, because the mean of its divisors is an integer number (60605061105471).

Almost surely, 2121210122210941 is an apocalyptic number.

It is an amenable number.

121210122210941 is a deficient number, since it is larger than the sum of its proper divisors (1).

121210122210941 is an equidigital number, since it uses as much as digits as its factorization.

121210122210941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 121210122210941 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred twenty-two million, two hundred ten thousand, nine hundred forty-one".