Search a number
-
+
22111103191 is a prime number
BaseRepresentation
bin10100100101111011…
…001010100011010111
32010001221221102101211
4110211323022203113
5330240420300231
614054021402251
71411635163462
oct244573124327
963057842354
1022111103191
119417161101
124350b69387
132114b82518
1410da8222d9
15896277eb1
hex525eca8d7

22111103191 has 2 divisors, whose sum is σ = 22111103192. Its totient is φ = 22111103190.

The previous prime is 22111103123. The next prime is 22111103233. The reversal of 22111103191 is 19130111122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22111103191 - 211 = 22111101143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22111106191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055551595 + 11055551596.

It is an arithmetic number, because the mean of its divisors is an integer number (11055551596).

Almost surely, 222111103191 is an apocalyptic number.

22111103191 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111103191 is an equidigital number, since it uses as much as digits as its factorization.

22111103191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 22.

It can be divided in two parts, 221111031 and 91, that added together give a palindrome (221111122).

The spelling of 22111103191 in words is "twenty-two billion, one hundred eleven million, one hundred three thousand, one hundred ninety-one".