Search a number
-
+
122211011 = 1317552991
BaseRepresentation
bin1110100100011…
…00101011000011
322111221221222202
413102030223003
5222241223021
620043223415
73012530216
oct722145303
9274857882
10122211011
1162a91a3a
1234b17b6b
131c41c410
141233377d
15aae0a0b
hex748cac3

122211011 has 8 divisors (see below), whose sum is σ = 139353984. Its totient is φ = 106174080.

The previous prime is 122210947. The next prime is 122211049. The reversal of 122211011 is 110112221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122211011 - 26 = 122210947 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 122210983 and 122211001.

It is not an unprimeable number, because it can be changed into a prime (122211091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276275 + ... + 276716.

It is an arithmetic number, because the mean of its divisors is an integer number (17419248).

Almost surely, 2122211011 is an apocalyptic number.

122211011 is a deficient number, since it is larger than the sum of its proper divisors (17142973).

122211011 is a wasteful number, since it uses less digits than its factorization.

122211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553021.

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

The square root of 122211011 is about 11054.9089096202. The cubic root of 122211011 is about 496.2533432510.

Adding to 122211011 its reverse (110112221), we get a palindrome (232323232).

The spelling of 122211011 in words is "one hundred twenty-two million, two hundred eleven thousand, eleven".

Divisors: 1 13 17 221 552991 7188883 9400847 122211011