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121002202201 is a prime number
BaseRepresentation
bin111000010110001001…
…0110001010001011001
3102120022211222202110111
41300230102301101121
53440303030432301
6131330533044321
711512355514466
oct1605422612131
9376284882414
10121002202201
1147353652501
121b54b4866a1
13b544a15a1a
145bdc4a866d
153232e6e551
hex1c2c4b1459

121002202201 has 2 divisors, whose sum is σ = 121002202202. Its totient is φ = 121002202200.

The previous prime is 121002202171. The next prime is 121002202213. The reversal of 121002202201 is 102202200121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112678376976 + 8323825225 = 335676^2 + 91235^2 .

It is a cyclic number.

It is not a de Polignac number, because 121002202201 - 211 = 121002200153 is a prime.

It is not a weakly prime, because it can be changed into another prime (121002202271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60501101100 + 60501101101.

It is an arithmetic number, because the mean of its divisors is an integer number (60501101101).

Almost surely, 2121002202201 is an apocalyptic number.

It is an amenable number.

121002202201 is a deficient number, since it is larger than the sum of its proper divisors (1).

121002202201 is an equidigital number, since it uses as much as digits as its factorization.

121002202201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121002202201 its reverse (102202200121), we get a palindrome (223204402322).

The spelling of 121002202201 in words is "one hundred twenty-one billion, two million, two hundred two thousand, two hundred one".