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12021120021101 is a prime number
BaseRepresentation
bin1010111011101110001010…
…0101101011001001101101
31120120012121112010100011012
42232323202211223021231
53033423223211133401
641322232025235005
72350332363150032
oct256734245531155
946505545110135
1012021120021101
1139151459532a4
121421934932a65
136927821380a9
142d7b7a935389
1515ca6c1798bb
hexaeee296b26d

12021120021101 has 2 divisors, whose sum is σ = 12021120021102. Its totient is φ = 12021120021100.

The previous prime is 12021120021077. The next prime is 12021120021109. The reversal of 12021120021101 is 10112002112021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11910298276900 + 110821744201 = 3451130^2 + 332899^2 .

It is a cyclic number.

It is not a de Polignac number, because 12021120021101 - 226 = 12021052912237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12021120021109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010560010550 + 6010560010551.

It is an arithmetic number, because the mean of its divisors is an integer number (6010560010551).

Almost surely, 212021120021101 is an apocalyptic number.

It is an amenable number.

12021120021101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021120021101 is an equidigital number, since it uses as much as digits as its factorization.

12021120021101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12021120021101 its reverse (10112002112021), we get a palindrome (22133122133122).

The spelling of 12021120021101 in words is "twelve trillion, twenty-one billion, one hundred twenty million, twenty-one thousand, one hundred one".