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2110102121 is a prime number
BaseRepresentation
bin111110111000101…
…1001101001101001
312110001112021221102
41331301121221221
513310141231441
6545214451145
7103201400141
oct17561315151
95401467842
102110102121
11993108a56
124aa803ab5
1327821704a
14160359921
15c53b069b
hex7dc59a69

2110102121 has 2 divisors, whose sum is σ = 2110102122. Its totient is φ = 2110102120.

The previous prime is 2110102097. The next prime is 2110102123. The reversal of 2110102121 is 1212010112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1950458896 + 159643225 = 44164^2 + 12635^2 .

It is a cyclic number.

It is not a de Polignac number, because 2110102121 - 214 = 2110085737 is a prime.

It is a super-2 number, since 2×21101021212 = 8905061922097397282, which contains 22 as substring.

Together with 2110102123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2110102123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055051060 + 1055051061.

It is an arithmetic number, because the mean of its divisors is an integer number (1055051061).

Almost surely, 22110102121 is an apocalyptic number.

It is an amenable number.

2110102121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110102121 is an equidigital number, since it uses as much as digits as its factorization.

2110102121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2110102121 is about 45935.8478859376. The cubic root of 2110102121 is about 1282.6293041950.

Adding to 2110102121 its reverse (1212010112), we get a palindrome (3322112233).

The spelling of 2110102121 in words is "two billion, one hundred ten million, one hundred two thousand, one hundred twenty-one".