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92121000121 is a prime number
BaseRepresentation
bin101010111001011010…
…1101110100010111001
322210210001220200022101
41111302311232202321
53002130434000441
6110153024423401
76440562403243
oct1256265564271
9283701820271
1092121000121
11360829a2957
1215a2b177b61
1388c1383837
14465c893093
1525e2691231
hex1572d6e8b9

92121000121 has 2 divisors, whose sum is σ = 92121000122. Its totient is φ = 92121000120.

The previous prime is 92121000107. The next prime is 92121000131. The reversal of 92121000121 is 12100012129.

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., 86224449600 + 5896550521 = 293640^2 + 76789^2 .

It is an emirp because it is prime and its reverse (12100012129) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 92121000121 - 221 = 92118902969 is a prime.

It is a super-3 number, since 3×921210001213 (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (92121000131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46060500060 + 46060500061.

It is an arithmetic number, because the mean of its divisors is an integer number (46060500061).

Almost surely, 292121000121 is an apocalyptic number.

It is an amenable number.

92121000121 is a deficient number, since it is larger than the sum of its proper divisors (1).

92121000121 is an equidigital number, since it uses as much as digits as its factorization.

92121000121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 92121000121 in words is "ninety-two billion, one hundred twenty-one million, one hundred twenty-one", and thus it is an aban number.