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110122021 is a prime number
BaseRepresentation
bin1101001000001…
…01010000100101
321200012210000101
412210011100211
5211142401041
614532144101
72505010312
oct644052045
9250183011
10110122021
1157185339
1230a68031
1319a78a79
14108a7d09
159a03b31
hex6905425

110122021 has 2 divisors, whose sum is σ = 110122022. Its totient is φ = 110122020.

The previous prime is 110122007. The next prime is 110122031. The reversal of 110122021 is 120221011.

It is an a-pointer prime, because the next prime (110122031) can be obtained adding 110122021 to its sum of digits (10).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65044225 + 45077796 = 8065^2 + 6714^2 .

It is a cyclic number.

It is not a de Polignac number, because 110122021 - 25 = 110121989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110121989 and 110122007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110122031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55061010 + 55061011.

It is an arithmetic number, because the mean of its divisors is an integer number (55061011).

Almost surely, 2110122021 is an apocalyptic number.

It is an amenable number.

110122021 is a deficient number, since it is larger than the sum of its proper divisors (1).

110122021 is an equidigital number, since it uses as much as digits as its factorization.

110122021 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 10.

The square root of 110122021 is about 10493.9039923186. The cubic root of 110122021 is about 479.3190880680.

Adding to 110122021 its reverse (120221011), we get a palindrome (230343032).

The spelling of 110122021 in words is "one hundred ten million, one hundred twenty-two thousand, twenty-one".