Search a number
-
+
122202011 is a prime number
BaseRepresentation
bin1110100100010…
…10011110011011
322111221111122102
413102022132123
5222240431021
620043114015
73012462041
oct722123633
9274844572
10122202011
1162a861a8
1234b1290b
131c4182a9
1412330391
15aadd00b
hex748a79b

122202011 has 2 divisors, whose sum is σ = 122202012. Its totient is φ = 122202010.

The previous prime is 122202007. The next prime is 122202023. The reversal of 122202011 is 110202221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122202011 - 22 = 122202007 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 122201983 and 122202001.

It is not a weakly prime, because it can be changed into another prime (122202071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61101005 + 61101006.

It is an arithmetic number, because the mean of its divisors is an integer number (61101006).

Almost surely, 2122202011 is an apocalyptic number.

122202011 is a deficient number, since it is larger than the sum of its proper divisors (1).

122202011 is an equidigital number, since it uses as much as digits as its factorization.

122202011 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 11.

The square root of 122202011 is about 11054.5018431406. The cubic root of 122202011 is about 496.2411610707.

Adding to 122202011 its reverse (110202221), we get a palindrome (232404232).

The spelling of 122202011 in words is "one hundred twenty-two million, two hundred two thousand, eleven".